US4888032A — Salts of cationic-metal dry cave complexes

Claim 1

Independent Claim 393 words

A salt of a cationic metal complex of the formula: ##STR17## wherein: M is Co, Fe, Cu, or Mn; n+ is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge, said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula: --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group, or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula ##STR18## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino bridge.

Claim 2

Dependent Claim 393 words

A salt of a cationic metal complex of the formula: ##STR17## wherein: M is Co, Fe, Cu, or Mn; n+ is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge, said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula: --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group, or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula ##STR18## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino bridge.

Claim 3

Dependent Claim 24 words

A salt according to claim 1 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 4

Dependent Claim 31 words

A salt according to claim 1 wherein M n+ is Co 2+ , Co 3+ , Fe 2+ , Fe 3+ , Cu 2+ , Mn 2+ or Mn 3+ .

Claim 5

Dependent Claim 12 words

A salt according to claim 1 wherein each R 1 is hydrogen.

Claim 6

Dependent Claim 14 words

A salt according to claim 1 wherein each R 2 is a methyl group.

Claim 7

Dependent Claim 61 words

A salt according to claim 1 wherein each R 3 is hydrogen, a methyl group, a phenyl group, a t-butyl group, an n-heptyl group, an n-heptadecyl group, a 4-methoxyphenyl group, a 4-chlorophenyl group, a 4-fluorophenyl group or a 3,5-dimethoxyphenyl group, or the two R 3 groups together form a polymethylene group containing 7 to 12 carbon atoms or a m-xylylene group.

Claim 8

Dependent Claim 27 words

A salt according to claim 1 wherein each R 4 is hydrogen, a methyl group, an n-propyl or n-butyl group, a 2-cyanoethyl group or a benzyl group.

Claim 9

Dependent Claim 104 words

A salt according to claim 1 wherein two R 6 groups together form a nitrogen-nitrogen bridge, said nitrogen bridge comprising a polymethylene bridge of 4 to about 8 carbon atoms, an m- or p-xylylene group, a (5-methoxy)-m-xylylene group, a --(CH 2 ) 3 --(9,9-fluorylene)--(CH 2 ) 3- group, a --(CH 2 ) 4 CH(COOCH 3 )(CH 2 ) 4 -- group, a --CH 2 --(1,3-cyclohexylene)--CH 2 -- group, a --(CH 2 ) 2 C(CH 3 ) 2 (CH) 2 -- group, a 3-thiapentamethylene group, a 3-thiahexamethylene group, a --CH 2 --(5-methoxycarbonyl-1,3-phenylene)--CH 2 -- group, a 2,6-pyridylene group, a 4-azaheptamethylene group, or a 4-aza-4-methylheptamethylene group.

Claim 10

Dependent Claim 13 words

A salt according to claim 2 wherein said anion is hexafluorophosphate or chloride.

Claim 11

Dependent Claim 28 words

A salt according to claim 1 wherein X is an ethylene group, a trimethylene group, a 2-(2-pyridyl)-trimethylene group, or a 2-(N-methyl-2-pyridino)-trimethylene group and Y is a trimethylene group.

Claim 12

Dependent Claim 198 words

A salt according to claim 1 wherein said cationic metal complex is of the formula ##STR19## wherein: M, n + , R 1 , R 2 , R 3 , R 4 , X and Y are as defined in claim 1; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; and R is a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4.

Claim 13

Dependent Claim 19 words

A salt according to claim 11 wherein the anion is hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 14

Dependent Claim 32 words

A salt according to claim 11 where M n+ , is Co 2+ , Co 3+ , Fe 2+ , Fe 3+ , Cu 2+ , Mn 2+ or Mn 3+ .

Claim 15

Dependent Claim 32 words

A salt according to claim 11 wherein X is an ethylene group, a trimethylene group, a 2,2-dimethyl- trimethylene group, a 2-(2-pyridyl)-trimethylene group or a 2-(N-methyl-2-pyridino)-trimethylene group and Y is a trimethylene group.

Claim 16

Dependent Claim 15 words

A salt according to claim 14 wherein X and Y are each a trimethylene group.

Claim 17

Dependent Claim 20 words

A salt according to claim 11 wherein each R 1 is hydrogen and each R 2 is a methyl group.

Claim 18

Dependent Claim 40 words

A salt according to claim 11 where each R 3 is hydrogen, a methyl group, a phenyl group, a t-butyl group, an n-heptyl group, an n-heptadecyl group, a 4-methoxyphenyl group, a 4-chlorophenyl group, a 4-fluorophenyl group or a 3,5-dimethoxyphenyl group.

Claim 19

Dependent Claim 27 words

A salt according to claim 11 where each R 4 is hydrogen, a methyl group, an n-propyl or n-butyl group, a 2-cyanoethyl group or a benzyl group.

Claim 20

Dependent Claim 94 words

A salt according to claim 11 wherein R is a polymethylene bridge of 4 to about 8 carbon atoms, an m- or p-xylylene group, a (5-methoxy)-m-xylylene group, a --(CH 2 ) 3 --(9,9-fluorylene)--(CH 2 ) 3 -- group, a --(CH 2 ) 4 CH(COOCH 3 )CH 2 ) 4 -- group, a --(CH 2 --(1,3-cyclohexylene)--CH 2 -- group, a --(CH 2 ) 2 C(CH 3 ) 2 (CH) 2 -- group, a 3-thiapentamethylene group, a 3-thiahexamethylene group, a --CH 2 --(5-methoxycarbonyl-1,3-phenylene)--CH 2 -- group, a 2,6-pyridylene group, a 4-azaheptamethylene group, or a 4-aza-4-methylheptamethylene group.

Claim 21

Dependent Claim 13 words

A salt according to claim 12 wherein said anion is hexafluorophosphate or chloride.

Claim 22

Dependent Claim 120 words

A salt according to claim 20 wherein M n+ is Co 2+ , Co 3+ , Fe 2+ , Fe 3+ , Mn 2+ , Mn 3+ or Cu 2+ , X is an ethylene group, a trimethylene group, a 2,2-dimethyltrimethylene group, a 2-(2-pyridyl)-trimethylene group or a 2-(N-methyl-2-pyridino)-trimethylene group, Y is a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, each R 3 is hydrogen, a methyl group, a t-butyl group, an n-heptyl group a 4-methoxyphenyl group, a 4-chlorophenyl group, a 4-fluorophenyl group, or a 3,5-dimethoxyphenyl group, R 4 is hydrogen or a methyl group and R is a polymethylene group containing 4 to 8 carbon atoms, an m-xylylene group or a p-xylylene group.

Claim 23

Dependent Claim 12 words

A salt according to claim 21 where M is cobalt or iron.

Claim 24

Dependent Claim 12 words

A salt according to claim 21 wherein M is copper or manganese.

Claim 25

Dependent Claim 88 words

A salt according to claim 1 wherein said cationic metal complex is of the formula ##STR20## wherein: M, n + , R 1 , R 2 , X and Y are as defined in claim 1; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms or a benzyl group; each R 6 independently is hydrogen or a methyl group; and R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or a m- or p-xylylene group.

Claim 26

Dependent Claim 24 words

A salt according to claim 24 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 27

Dependent Claim 16 words

A salt according to claim 24 wherein M n+ is Co 2+ or Fe 2+ .

Claim 28

Dependent Claim 15 words

A salt according to claim 24 wherein X and Y are each a trimethylene group.

Claim 29

Dependent Claim 12 words

A salt according to claim 24 wherein each R 1 is hydrogen.

Claim 30

Dependent Claim 14 words

A salt according to claim 24 wherein each R 2 is a methyl group.

Claim 31

Dependent Claim 22 words

A salt according to claim 24 wherein each R 4 is hydrogen, a methyl group, an n-propyl group or a benzyl group.

Claim 32

Dependent Claim 20 words

A salt according to claim 24 wherein R 5 is a polymethylene group containing from 7 to 10 carbon atoms.

Claim 33

Dependent Claim 13 words

A salt according to claim 25 wherein said anion is hexafluorophosphate or chloride.

Claim 34

Dependent Claim 64 words

A salt according to claim 32 wherein X and Y are each a trimethylene group, M n+ is Co 2+ or Fe 2+ each R 1 is hydrogen, each R 2 is a methyl group, each R 4 is hydrogen, a methyl group, an n-propyl group or a benzyl group and R 5 is a polymethylene group containing from 7 to 10 carbon atoms.

Claim 35

Dependent Claim 176 words

A salt according to claim 1 wherein said cationic metal complex is of the formula: ##STR21## wherein: M, n + , R 1 , R 2 , R 4 , X and Y are as defined in claim 1; R is a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methyoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; and R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or an m- or p-xylylene group.

Claim 36

Dependent Claim 24 words

A salt according to claim 34 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 37

Dependent Claim 15 words

A salt according to claim 34 wherein X and Y are each a trimethylene group.

Claim 38

Dependent Claim 12 words

A salt according to claim 34 wherein each R 1 is hydrogen.

Claim 39

Dependent Claim 14 words

A salt according to claim 34 wherein each R 2 is a methyl group.

Claim 40

Dependent Claim 12 words

A salt according to claim 34 wherein each R 4 is hydrogen.

Claim 41

Dependent Claim 20 words

A salt according to claim 34 wherein R 5 is a polymethylene group containing from 7 to 10 carbon atoms.

Claim 42

Dependent Claim 22 words

A salt according to claim 34 wherein R is a polymethylene group containing 6 to 7 carbon atoms or an m-xylylene group.

Claim 43

Dependent Claim 11 words

A salt according to claim 35 wherein said anion is hexafluorophosphate.

Claim 44

Dependent Claim 61 words

A salt according to claim 42 wherein X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, each R 4 is hydrogen, R 5 is a polymethylene group containing from 7 to 10 carbon atoms and R is a polymethylene group containing 6 to 7 carbon atoms or an m-xylylene group.

Claim 45

Dependent Claim 65 words

A salt according to claim 1 wherein said cationic metal complex is of the formula: ##STR22## wherein: M, n + , R 1 , R 2 , R 3 , X and Y are as defined in claim 1; and D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group.

Claim 46

Dependent Claim 19 words

A salt according to claim 44 wherein the anion is hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 47

Dependent Claim 19 words

A salt according to claim 44 wherein M n+ is Co 2+ , Fe 2+ or Cu 2+ .

Claim 48

Dependent Claim 16 words

A salt according to claim 44 wherein X is a trimethylene group or a 2-(N-methyl-2-pyridino) group.

Claim 49

Dependent Claim 12 words

A salt according to claim 44 wherein Y is a trimethylene group.

Claim 50

Dependent Claim 12 words

A salt according to claim 44 wherein each R 1 is hydrogen.

Claim 51

Dependent Claim 14 words

A salt according to claim 44 wherein each R 2 is a methyl group.

Claim 52

Dependent Claim 18 words

A salt according to claim 44 wherein each R 2 is a methyl group or a phenyl group.

Claim 53

Dependent Claim 25 words

A salt according to claim 44 wherein D is a 1,3-phenylene group, a 1,4-phenylene group, a tetramethylphenylene group, a 9,10-anthracene group or a 2,6-pyridylene group.

Claim 54

Dependent Claim 13 words

A salt according to claim 45 wherein the anion is hexafluorophosphate or chloride.

Claim 55

Dependent Claim 76 words

A salt according to claim 53 wherein M n+ is Co 2+ , Fe 2+ , or Cu 2+ , X is a trimethylene group or a 2-(N-methyl-2-pyridino) group, Y is a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, each R 3 is a methyl group or a phenyl group and D is a 1,3-phenylene group, a 1,4-phenylene group, a tetramethyphenylene group, a 9,10-anthracene group or a 2,6-pyridylene group.

Claim 56

Dependent Claim 68 words

The salts according to claim 20 wherein M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 , R 3 and R 4 is a methyl group, R is a polymethylene group containing 4 to 6 carbon atoms and the anion is hexafluorophosphate, namely: [(2,3,8,9,11,17-hexamethyl-3,8,12,16,19,23-hexaazabicyclo[8.7.7]tetracosa-1,9,11,16,18,23-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,3,9,10,12,18-hexamethyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)cobalt(II)]hexafluorophosphate; and [(2,3,10,11,13,19-hexamethyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 57

Dependent Claim 72 words

The salts according to claim 20 wherein M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 and R 4 is a methyl group, each R 3 is a phenyl group, R is a polymethylene bridge containing 4 to 6 carbon atoms and the anion is hexafluorophosphate, namely: [(3,8,11,17-tetramethyl-2,9-diphenyl-3,8,12,16,19,23-hexaazabicyclo[8.7.7]tetracosa-1,9,11,16,18,23-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(3,9,12,18-tetramethyl-2,10-diphenyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; and [(3,10,13,19-tetramethyl-2,11-diphenyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,13,18,20,25-hexaene-κ 4 N)cobalt(II)]hexafluorophosphate.

Claim 58

Dependent Claim 66 words

The salts according to claim 20 wherein M is cobalt n is 2, X and Y are each a trimethylene group, each R 1 and R 4 is hydrogen, each R 2 and R 3 is a methyl group, R is a pentamethylene, hexamethylene, or 4-aza-methylhexamethylene group and the anion is hexafluorophosphate, namely: [(2,10,12,18-tetramethyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,11,13,19-tetramethyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; and [(2,7,12,14,20-pentamethyl-3,7,11,15,19,22,26-heptaazabicyclo[11.7.7]heptacosa-1,12,14,19,21,26-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 59

Dependent Claim 63 words

The salts according to claim 20 wherein M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 and R 4 is hydrogen, each R 2 is a methyl group, each R 3 is a phenyl group, R is pentamethylene or hexamethylene and the anion is hexafluorophosphate, namely: [(12,18-dimethyl-2,10-diphenyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; and [(13,19-dimethyl-2,11-diphenyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 60

Dependent Claim 56 words

The salt according to claim 20 wherein M is cobalt, n is 2, X is a 2-(N-methyl-2-pyridino)-trimethylene group, Y is a trimethylene group, each R 1 is hydrogen, each R 2 , R 3 and R 4 is a methyl group, R is a hexamethylene group and the anion is hexafluorophosphate, namely: [(2,3,10,11,13,19-hexamethyl-23-(2-pyridyl)-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 61

Dependent Claim 55 words

The salt according to claim 32 wherein M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 and R 4 is hydrogen, each R 2 and R 6 is a methyl group, R 5 is a heptamethylene group and the anion is hexafluorophosphate, namely: [(12,18-dimethyl-2,10bis-methylamino-13,17,20,24-tetraazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 62

Dependent Claim 58 words

The salt according to claim 53 wherein M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 and R 3 is a methyl group, D is a tetramethyl-1,4-phenylene group and the anion is hexafluorophosphate, namely: [(2,9,10,17,19,25,33,34-octamethyl-3,6,13,16,20,24,27,31-octaazapentacyclo[16.7.7.2 8 ,11.2 3 ,6.2 13 ,16 ]octatriaconta-1,8,10,17,19,24,26,31,33-nonaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 63

Dependent Claim 21 words

A salt according to claim 1 dispersed in an aqueous solvent or an organic solvent which does not destroy the complex.

Claim 64

Dependent Claim 14 words

An adduct of salt according to claim 1 and molecular oxygen or carbon monoxide.

Claim 65

Dependent Claim 434 words

A salt comprising a cationic metal complex of the formula: ##STR23## wherein: M is Co, Fe, Cu or Mn; n+ is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula: ##STR24## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino bridge; and Z is an electron donor selected from the group consisting of the halide ions, cyanate, thiocyanate, azide, acetonitrile, water, an alkanol containing not more than about five carbon atoms, pyridine, 4-aminopyridine, imidazole and N-methylimidazole.

Claim 66

Dependent Claim 434 words

A salt comprising a cationic metal complex of the formula: ##STR23## wherein: M is Co, Fe, Cu or Mn; n+ is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula: ##STR24## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino bridge; and Z is an electron donor selected from the group consisting of the halide ions, cyanate, thiocyanate, azide, acetonitrile, water, an alkanol containing not more than about five carbon atoms, pyridine, 4-aminopyridine, imidazole and N-methylimidazole.

Claim 67

Dependent Claim 24 words

A salt according to claim 64 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 68

Dependent Claim 32 words

A salt according to claim 64 wherein M n+ is Co 2+ , Co 3+ , Fe 2+ , Fe 3+ , Cu 2+ , Mn 2+ , or Mn 3+ .

Claim 69

Dependent Claim 15 words

A salt according to claim 64 wherein X and Y are each a trimethylene group.

Claim 70

Dependent Claim 12 words

A salt according to claim 64 wherein each R 1 is hydrogen.

Claim 71

Dependent Claim 14 words

A salt according to claim 64 wherein each R 2 is a methyl group.

Claim 72

Dependent Claim 60 words

A salt according to claim 64 wherein R 3 is hydrogen, a methyl group, a phenyl group, a t-butyl group, an n-heptyl group, an n-heptadecyl group a 4-methoxyphenyl group, a 4-chlorophenyl group, a 4-fluorophenyl group or a 3,5-dimethoxyphenyl group, or the two R 3 groups together form a polymethylene group containing 7 to 12 carbon atoms or a m-xylylene group.

Claim 73

Dependent Claim 21 words

A salt according to claim 64 wherein R 4 is hydrogen, a methyl group, an n-propyl group or a benzyl group.

Claim 74

Dependent Claim 48 words

A salt according to claim 64 wherein the two R 6 groups together form a nitrogen-nitrogen bridge, said nitrogen bridge comprising a polymethylene bridge of 4 to about 8 carbon atoms, an m- or p-xylylene group or a --(CH 2 ) 3 --(9,9-flourylene)--(CH 2 ) 3 -- group.

Claim 75

Dependent Claim 13 words

A salt according to claim 65 wherein said anion is hexafluorophosphate or chloride.

Claim 76

Dependent Claim 195 words

A salt according to claim 64 wherein said cationic metal complex is of the formula: ##STR25## wherein: M, n+, R 1 , R 2 , R 4 , X, Y and Z are as defined in claim 64; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; R is a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9- fluorylene group, a 1,3-cyclohexylene group, a 1,4- cyclohexylene group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4.

Claim 77

Dependent Claim 24 words

A salt according to claim 74 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 78

Dependent Claim 31 words

A salt according to claim 74 wherein M n+ is Co 2+ , Co 3+ , Fe 2+ , Fe 3+ , Cu 2+ , Mn 2+ or Mn 3+ .

Claim 79

Dependent Claim 15 words

A salt according to claim 74 wherein X and Y are each a trimethylene group.

Claim 80

Dependent Claim 12 words

A salt according to claim 74 wherein each R 1 is hydrogen.

Claim 81

Dependent Claim 14 words

A salt according to claim 74 wherein each R 2 is a methyl group.

Claim 82

Dependent Claim 37 words

A salt according to claim 74 wherein each R 3 is hydrogen, a methyl group, a phenyl group, a t-butyl group, an n-heptyl group, a 4-methoxyphenyl group, a 4-chlorophenyl group, a 4-fluorophenyl group or a 3,5-dimethoxyphenyl group.

Claim 83

Dependent Claim 19 words

A salt according to claim 74 wherein each R 4 is hydrogen, a methyl group or a benzyl group.

Claim 84

Dependent Claim 38 words

A salt according to claim 74 wherein R is a polymethylene bridge of 4 to about 8 carbon atoms, an m- or p-xylylene group or a --(CH 2 ) 3 --(9,9-flourylene)--(CH 2 ) 2 ) 3 -- group.

Claim 85

Dependent Claim 20 words

A salt according to claim 74 wherein Z is chloride, cyanate, thiocyanate, azide, ethanol, acetonitrile, pyridine, 4-aminopyridine, imidazole or N-methylimidazole.

Claim 86

Dependent Claim 13 words

A salt according to claim 75 wherein said anion is hexafluorophosphate or chloride.

Claim 87

Dependent Claim 136 words

A salt according to claim 84 wherein M n+ is Co 2+ , Co 3+ , Fe 2+ , Fe 3+ , Mn 2+ , Mn 3+ or Cu 2+ , X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, each R 3 is hydrogen, a methyl group, a phenyl group, a t-butyl group, an n-heptyl group, a 4-methoxyphenyl group, a 4-chlorophenyl group, a 4-fluorophenyl group or a 3,5-dimethoxyphenyl group, each R 4 is hydrogen, a methyl group or a benzyl group, R is a polymethylene bridge of 4 to about 8 carbon atoms, an m- or p-xylylene group or a --(CH 2 ) 3 --(9,9-fluorylene)--(CH 2 ) 3 -- group and Z is chloride, cyanate, thiocyanate, azide, ethanol, acetonitrile, pyridine, 4-aminopyridine, imidazole or N-methylimidazole.

Claim 88

Dependent Claim 87 words

A salt according to claim 64 wherein said cationic metal complex of the formula: ##STR26## wherein M, n + , R 1 , R 2 , X, Y and Z are as defined in claim 64; each R 4 independently is hydrogen; an alkyl group containing not more than about 4 carbon atoms or benzyl; each R 6 independently is hydrogen or a methyl group; and R 5 is a polymethylene group containing from about 7 to about 12 carbon atoms or a m- or p-xylylene group.

Claim 89

Dependent Claim 24 words

A salt according to claim 86 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 90

Dependent Claim 81 words

A salt according to claim 86 wherein M is cobalt or iron, n is 2, each R 1 is hydrogen, each R 2 and R 4 is hydrogen or a methyl group, each R 3 is hydrogen, a methyl group, an ethyl group, a n-propyl group or a benzyl group, X and Y are each a trimethylene group, R 5 is a polymethylene group containing 7 to 12 carbon atoms, Z is chloride, acetonitrile, or water and said anion is hexafluorophosphate.

Claim 91

Dependent Claim 177 words

A salt according to claim 64 wherein said cationic metal complex is of the formula: ##STR27## wherein M, n 30 , R 1 , R 2 , R 4 , X, Y and Z are as defined in claim 64; R is a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylane group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; and R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or an m- or p-xylylene group.

Claim 92

Dependent Claim 24 words

A salt according to claim 89 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 93

Dependent Claim 66 words

A salt according to claim 64 wherein said cationic metal complex is of the formula: ##STR28## wherein M, n + , R 1 , R 2 , R 3 , X, Y and Z are as defined in claim 64; and D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group.

Claim 94

Dependent Claim 24 words

A salt according to claim 91 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 95

Dependent Claim 16 words

A salt according to claim 91 wherein M n+ is Co 2+ or Fe 2+ .

Claim 96

Dependent Claim 15 words

A salt according to claim 91 wherein X and Y are each a trimethylene group.

Claim 97

Dependent Claim 12 words

A salt according to claim 91 wherein each R 1 is hydrogen.

Claim 98

Dependent Claim 14 words

A salt according to claim 91 wherein each R 2 is a methyl group.

Claim 99

Dependent Claim 14 words

A salt according to claim 91 wherein each R 3 is a methyl group.

Claim 100

Dependent Claim 20 words

A salt according to claim 91 wherein each D is a 1,3-phenylene group, a tetramethyl-1,4-phenylene group or a 9,10-anthracene group

Claim 101

Dependent Claim 13 words

A salt according to claim 91 where Z is methanol, chloride or water.

Claim 102

Dependent Claim 12 words

A salt according to claim 92 wherein said anion is said hexafluorophosphate.

Claim 103

Dependent Claim 42 words

A salt according to claim 100, wherein each R 1 is hydrogen , each R 2 and R 3 is a methyl group, D is a 1,3-phenylene group, a tetramethyl-1,4-phenylene group or a 9,10-anthracene group and Z is methanol, chloride or water.

Claim 104

Dependent Claim 101 words

The salts according to claim 75 wherein M is iron, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, each R 3 is a p-methoxypheny, p-chlorophenyl, p-fluorophenyl, n-heptyl or methyl group, each R 4 is a methyl group, R is m-xylylene, Z is chloride and the anion is hexafluorophosphate, namely: [chloro(2,3,11,12,14,20-hexamethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-n-heptyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-p-methoxyphenyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-p-chlorophenyl-3,11,14,20-tetramethyl- 3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; and [chloro(2,12-di-p-fluorophenyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate.

Claim 105

Dependent Claim 65 words

The salt according to claim 75 wherein M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, R is a phenyl group, each R 4 is hydrogen, R is a m-xylylene group, Z is acetonitrile and the anion is hexafluorophosphate, namely: [acetonitrile(14,20-dimethyl-2,12-diphenyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa- 1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 106

Dependent Claim 79 words

The salts according to claim 75 wherein M is iron, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, each R 3 is a methyl group, each R 4 is a methyl or benzyl group, R is a m-xylylene group, Z is acetonitrile and the anion is hexafluorophosphate namely: [acetonitrile(2,3,11,12,14,20-hexamethyl-3,11,15,19,22,26-hexaazatricyclo [11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; and [acetonitrile(3,11-dibenzyl-2,12,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate.

Claim 107

Dependent Claim 78 words

The salts according to claim 75 wherein M is iron, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, each R 3 is a phenyl group, each R 4 is a methyl or benzyl group, R is a m-xylylene group, Z is acetonitrite and the anion is hexafluorophosphate, namely: [acetonitrile(3,11,14,20-tetramethyl-2,12-diphenyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; and [acetonitrile(3,11-dibenzyl-14,20-dimethyl-2,12-diphenyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate.

Claim 108

Dependent Claim 69 words

The salts according to claim 75 wherein M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 and R 3 is a methyl group, each R 4 is hydrogen, R is a heptamethylene or m-xylylene group, Z is acetonitrile and the anion is hexafluorophosphate, namely: [acetonitrile(2,12,14,20-tetramethyl-3,11,15,19,22,26-hexaazabicyclo[11.7.7]heptacosa-1,12,14,19,21,26-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; and [acetonitrile(2,12,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 109

Dependent Claim 63 words

The salt according to claim 75 wherein M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, each R 3 is hydrogen, each R 4 is a methyl group, R is a hexamethylene group, Z is acetonitrile and the anion is hexafluorophosphate, namely: [acetonitrile(3,10,13,19-tetramethyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 110

Dependent Claim 65 words

The salts according to claim 87 wherein M is iron, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 , R 4 and R 6 is a methyl group, R 5 is a heptamethylene or octamethylene group, Z is chloride and the anion is hexafluorophosphate, namely: [chloro(2,10-bis-dimethylamino-12,18-dimethyl-13,17,20,24-tetraazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)iron(II)] hexafluorophosphate; and [chloro(2,11-bis-dimethylamino-13,19-dimethyl-14,18,21,25-tetraazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)iron(II)] hexafluorophosphate.

Claim 111

Dependent Claim 62 words

The salt according to claim 87 where M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 is a methyl group, each R 4 is a n-propyl, R 6 is hydrogen, R 5 is a heptamethylene group, Z is acetonitrile and the anion is hexafluorophosphate, namely: [acetonitrile(12,18-dimethyl-2,10-bis-propylamino-13,17,20,24-tetraazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 112

Dependent Claim 58 words

The salt according to claim 87 wherein M is cobalt, n is 2, X and Y are each a trimethylene group, each R 1 is hydrogen, each R 2 , R 4 and R 6 is a methyl group, R 5 is an octamethylene group, Z is acetonitrile and the anion is hexafluorophosphate, namely: [acetonitrile(2,11-bis-dimethylamino-13,19-dimethyl-14,18,21,25-tetraazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 113

Dependent Claim 21 words

A salt according to claim 64 dispersed in an aqueous solvent or an organic solvent which does not destroy the complex.

Claim 114

Dependent Claim 15 words

An adduct of a salt according to claim 64 and molecular oxygen or carbon monoxide.

Claim 115

Dependent Claim 122 words

A salt comprising a cationic metal complex of the formula: ##STR29## wherein: M n+ is Ni 2+ ; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; and R 5 is a polymethylene group containing from about 7 to about 12 carbon atoms or a m- or p-xylylene group.

Claim 116

Dependent Claim 122 words

A salt comprising a cationic metal complex of the formula: ##STR29## wherein: M n+ is Ni 2+ ; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; and R 5 is a polymethylene group containing from about 7 to about 12 carbon atoms or a m- or p-xylylene group.

Claim 117

Dependent Claim 24 words

A salt according to claim 113 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 118

Dependent Claim 225 words

A salt comprising a cationic metal complex of the formula: ##STR30## wherein: M n+ is Ni 2+ ; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; R is a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methyoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; and R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or an m- or p-xylylene group.

Claim 119

Dependent Claim 225 words

A salt comprising a cationic metal complex of the formula: ##STR30## wherein: M n+ is Ni 2+ ; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; R is a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methyoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; and R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or an m- or p-xylylene group.

Claim 120

Dependent Claim 24 words

A salt according to claim 115 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluoromethylsulfonate and the halides.

Claim 121

Dependent Claim 149 words

A salt comprising a cationic metal complex of the formula: ##STR31## wherein: M n+ is Ni 2+ ; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; and D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group.

Claim 122

Dependent Claim 149 words

A salt comprising a cationic metal complex of the formula: ##STR31## wherein: M n+ is Ni 2+ ; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; and D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group.

Claim 123

Dependent Claim 24 words

A salt according to claim 117 wherein the anion is selected from the group comprising hexafluorophosphate, tetrachlorozincate, perchlorate, hexafluoroarsenate, fluoroborate, trifluormethylsulfonate and the halides.

Claim 124

Independent Claim 425 words

A method for removing molecular oxygen from a gaseous mixture which comprises: exposing a salt of the formula: ##STR32## wherein: M is Co, Fe, Cu or Mn; n + is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge, said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula: --(CH.sub.2).sub.1 --G--(CH.sub.2).sub.b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1, 4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group, or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula ##STR33## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino group, to said mixture thereby allowing said cationic metal complex to complex molecular oxygen and thus to absorb oxygen from said gaseous mixture.

Claim 125

Independent Claim 425 words

A method for removing molecular oxygen from a gaseous mixture which comprises: exposing a salt of the formula: ##STR32## wherein: M is Co, Fe, Cu or Mn; n + is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge, said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula: --(CH.sub.2).sub.1 --G--(CH.sub.2).sub.b -- where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1, 4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group, or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula ##STR33## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino group, to said mixture thereby allowing said cationic metal complex to complex molecular oxygen and thus to absorb oxygen from said gaseous mixture.

Claim 126

Dependent Claim 76 words

A method according to claim 119 wherein, after said cationic metal complex has complexed oxygen, and salt is withdrawn from contact with said gaseous mixture and is placed in a second environment wherein the oxygen partial pressure is less than the pressure in equilibrium with the oxygenated form of said salt under the conditions in said second environment, thereby allowing said cationic metal complex to decomplex molecular oxygen and thereby release oxygen into said second environment.

Claim 127

Dependent Claim 26 words

A method according to claim 120 wherein said oxygen partial pressure in said second environment is lower than the oxygen partial pressure in said first environment.

Claim 128

Dependent Claim 27 words

A method according to claim 121 wherein said first environment comprises the lungs of a mammal and said second environment comprises the non-lung tissues of said mammal.

Claim 129

Dependent Claim 19 words

A method according to claim 120 wherein said second environment is at a higher temperature than said first environment.

Claim 130

Dependent Claim 84 words

A method according to claim 120 wherein said salt comprises: [(2,3,8,9,11,17-hexamethyl-3,8,12,16,19,23-hexaazabicyclo[8.7.7]tetracosa-1,9,11,16,18, 23-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,3,9,10,12,18-hexamethyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]-pentacosa-1,10,12, 17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,3,10,11,13,19-hexamethyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18, 20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(3,8,11,17-tetramethyl-2,9-diphenyl-3,8,12,16,19,23-hexaazabicyclo[8.7.7]tetracosa-1,9,11,16,18,23-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(3,9,12,18-tetramethyl-2,10-diphenyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,10, 17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(3,10,13,19-tetramethyl-2,11-diphenyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11 18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,10,12,18-tetramethyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,10,12,17,19, 24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,11,13,19-tetramethyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18, 20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,7,12,14,20-pentamethyl-3,7,11,15,19,22,26-heptaazabicyclo[11.7.7]heptacosa-1,12,14, 19,21,26-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(12,18-dimethyl-2,10-diphenyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,10, 12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [13,19-dimethyl-2,11-diphenyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13, 18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,3,10,11,13,19-hexamethyl-23-(2-pyridyl)-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(12,18-dimethyl-2,10-bis-methylamino-13,17,20,24-tetraazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; or [(2,9,10,17,19,25,33,34-octamethyl-3,6,13,16,20,24,27,31-octaazapentacyclo[16.7.7.2 8 ,11.2 3 ,6.2 13 ,16 ]octatriaconta-1,8,10,17,19,24,26,31,33-nonaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 131

Independent Claim 461 words

A method for removing molecular oxygen from a gaseous mixture, which comprises: exposing a salt of the formula: ##STR34## wherein: M is Co, Fe, Cu or Mn; n + is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene 2-(2-pyridyl)-trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula: ##STR35## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino group; and Z is an electron donor selected from the group consisting of the halide ions, cyanate, thiocyanate, azide, acetonitrile, water, an alkanol containing not more than about five carbon atoms, pyridine, 4-aminopyridine, imidazole and N-methylimidazole, to said mixture thereby allowing said cationic metal complex to complex molecular oxygen and thus to absorb oxygen from said gaseous mixture.

Claim 132

Independent Claim 461 words

A method for removing molecular oxygen from a gaseous mixture, which comprises: exposing a salt of the formula: ##STR34## wherein: M is Co, Fe, Cu or Mn; n + is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene 2-(2-pyridyl)-trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group or a methylimino group, subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula: ##STR35## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino group; and Z is an electron donor selected from the group consisting of the halide ions, cyanate, thiocyanate, azide, acetonitrile, water, an alkanol containing not more than about five carbon atoms, pyridine, 4-aminopyridine, imidazole and N-methylimidazole, to said mixture thereby allowing said cationic metal complex to complex molecular oxygen and thus to absorb oxygen from said gaseous mixture.

Claim 133

Dependent Claim 77 words

A method according to claim 125 wherein, after said cationic metal complex has complexed oxygen, said salt is withdrawn from contact with said gaseous mixture and is placed in a second environment wherein the oxygen partial pressure is less than the oxygen pressure in equilibrium with the oxygenated form of said salt under the conditions in said second environment, thereby allowing said cationic metal complex to decomplex molecular oxygen and thereby release oxygen into said second environment.

Claim 134

Dependent Claim 26 words

A method according to claim 126 wherein said oxygen partial pressure in said second environment is lower than the oxygen partial pressure in said first environment.

Claim 135

Dependent Claim 27 words

A method according to claim 127 wherein said first environment comprises the lungs of a mammal and said second environment comprises the non-lung tissues of said mammal.

Claim 136

Dependent Claim 19 words

A method according to claim 126 wherein said second environment is at a higher temperature than said first environment.

Claim 137

Dependent Claim 115 words

A method according to claim 125 wherein said salt comprises: [chloro(2,3,11,12,14,20-hexamethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 Niron(II)] hexafluorophosphate; [chloro(2,12-di-n-heptyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo-[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-p-methoxyphenyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7.9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-p-chlorophenyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-p-fluorophenyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(14,20-dimethyl-2,12-diphenyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)cobalt(II)] hexafluorophosphate; [acetonitrile(2,3,11,12,14,20-hexamethyl-3,11,15,19,22,26-hexaazatricyclo [11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(3,11-dibenzyl-2,12,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo [11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(3,11,14,20-tetramethyl-2,12-diphenyl-3,11,15,19,22,26-hexaazatricyclo [11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(3,11-dibenzyl-14,20-dimethyl-2,12-diphenyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(2,12,14,20-tetramethyl-3,11,15,19,22,26-hexaazabicyclo[11.7.7]heptacosa-1,12,14,19,21,26-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [acetonitrile(2,12,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)cobalt(II)] hexafluorophosphate; [acetonitrile(3,10,13,19-tetramethyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [chloro(2,10-bis-dimethylamino-12,18-dimethyl-13,17,20,24-tetraazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,11-bis-dimethylamino-13,19-dimethyl-14,18,21,25-tetraazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(12,18-dimethyl-2,10-bis-propylamino-13,17,20,24-tetraazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; or [acetonitrile(2,11-bis-dimethylamino-13,19-dimethyl-14,18,21,25-tetraazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 138

Dependent Claim 475 words

In a method for increasing the proportion of a molecular oxygen in a gaseous mixture, which comprises: passing said gaseous mixture over one face of an immobilized liquid membrane containing an oxygen-complexing compound; allowing molecular oxygen to diffuse selectively through said liquid membrane; removing from adjacent the opposed face of said liquid membrane an oxygen-enriched gas containing a higher proportion of molecular oxygen than said gaseous mixture, the improvement which comprises using as said liquid membrane a liquid membrane containing a solution of salt comprising a cationic metal complex of the formula: ##STR36## wherein M is Co, Fe, Cu or Mn; n + is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene, or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group consisting not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge, said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula: --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b -- where a and b are each independently 1,2, or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group, or a methylimino group subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula: ##STR37## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino bridge.

Claim 139

Dependent Claim 475 words

In a method for increasing the proportion of a molecular oxygen in a gaseous mixture, which comprises: passing said gaseous mixture over one face of an immobilized liquid membrane containing an oxygen-complexing compound; allowing molecular oxygen to diffuse selectively through said liquid membrane; removing from adjacent the opposed face of said liquid membrane an oxygen-enriched gas containing a higher proportion of molecular oxygen than said gaseous mixture, the improvement which comprises using as said liquid membrane a liquid membrane containing a solution of salt comprising a cationic metal complex of the formula: ##STR36## wherein M is Co, Fe, Cu or Mn; n + is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene, or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group consisting not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; each R 6 independently is hydrogen or a methyl group; or the two R 6 groups together form a nitrogen-nitrogen bridge, said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula: --(CH.sub.2).sub.a --G--(CH.sub.2).sub.b -- where a and b are each independently 1,2, or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, an imino group, or a methylimino group subject to the proviso that when G is a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula: ##STR37## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group, subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino bridge.

Claim 140

Dependent Claim 84 words

A method according to claim 131 wherein said salt comprises: [(2,3,8,9,11,17-hexamethyl-3,8,12,16,19,23-hexaazabicyclo[8.7.7]tetracosa-1,9,11,16,18, 23-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,3,9,10,12,18-hexamethyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]-pentacosa-1,10,12, 17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,3,10,11,13,19-hexamethyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18, 20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(3,8,11,17-tetramethyl-2,9-diphenyl-3,8,12,16,19,23-hexaazabicyclo[8.7.7]tetracosa-1,9,11,16,18,23-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(3,9,12,18-tetramethyl-2,10-diphenyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,10,12, 17,19,24-hexaene-78 4 N)cobalt(II)] hexafluorophosphate; [(3,10,13,19-tetramethyl-2,11-diphenyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11, 13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,10,12,18-tetramethyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,10,12,17,19, 24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,11,13,19-tetramethyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18, 20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,7,12,14,20-pentamethyl-3,7,11,15,19,22,26-heptaazabicyclo[11.7.7]heptacosa-1,12, 14,19,21,26-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(12,18-dimethyl-2,10-diphenyl-3,9,13,17,20,24-hexaazabicyclo[9.7.7]pentacosa-1,10, 12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(13,19-dimethyl-2,11-diphenyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13, 18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(2,3,10,11,13,19-hexamethyl-23-(2-pyridyl)-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [(12,18-dimethyl-2,10-bis-methylamino-13,17,20,24-tetraazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; or [(2,9,10,17,19,25,33,34-octamethyl-3,6,13,16,20,24,27,31-octaazapentacyclo[16.7.7.2 8 ,11.1 3 ,6.2 13 ,16 ]octatriaconta-1,8,10,17,19,24,26,31,33-nonaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 141

Dependent Claim 487 words

In a method for increasing the proportion of a molecular oxygen in a gaseous mixture, which comprises: passing said gaseous mixture over one face of an immobilized liquid membrane containing an oxygen-complexing compound; allowing molecular oxygen to diffuse selectively through said liquid membrane; removing from adjacent the opposed face of said liquid membrane an oxygen-enriched gas containing a higher proportion of molecular oxygen than said gaseous mixture, the improvement which comprises using as said liquid membrane a liquid membrane containing a solution of a salt comprising a cationic metal complex of the formula: ##STR38## wherein: M is Co, Fe, Cu or Mn; n + is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyul group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; R 6 independently is hydrogen or a methyl group, or the two R 6 groups together form a nitrogen-nitrogen bridge said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula: ##STR39## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino bridge; and Z is an electron donor selected from the group consisting of the halide ions, cyanate, thiocyanate, azide, acetonitrile, water, an alkanol containing not more than about five carbon atoms, pyridine, 4-aminopyridine, imidazole and N-methylimidazole.

Claim 142

Dependent Claim 487 words

In a method for increasing the proportion of a molecular oxygen in a gaseous mixture, which comprises: passing said gaseous mixture over one face of an immobilized liquid membrane containing an oxygen-complexing compound; allowing molecular oxygen to diffuse selectively through said liquid membrane; removing from adjacent the opposed face of said liquid membrane an oxygen-enriched gas containing a higher proportion of molecular oxygen than said gaseous mixture, the improvement which comprises using as said liquid membrane a liquid membrane containing a solution of a salt comprising a cationic metal complex of the formula: ##STR38## wherein: M is Co, Fe, Cu or Mn; n + is a positive oxidation state of M, n being not greater than 3; X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl substituted trimethylene or 2-(N-methyl-2-pyridino)-trimethylene group; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyul group substituted by a halogen atom or by one or two methoxy groups; or the two R 3 groups together form a carbon-carbon bridge, said carbon-carbon bridge comprising a polymethylene bridge containing from 7 to about 12 carbon atoms or an m- or p-xylylene group; each R 4 independently is hydrogen, an alkyl group containing not more than about four carbon atoms, a phenyl group or a benzyl group; R 6 independently is hydrogen or a methyl group, or the two R 6 groups together form a nitrogen-nitrogen bridge said nitrogen-nitrogen bridge comprising a polymethylene group containing from 4 to about 12 carbon atoms, a polymethylene group containing from 4 to about 12 carbon atoms and substituted by a methoxycarbonyl group, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted 1,4-phenylene group, a 9,9-fluorylene group, a 1,3-cyclohexylene group, a 1,4-cyclohexylene group, a sulfur atom, a imino group or a methylimino group, the sum of a and b is at least 4; or the two NR 4 R 6 groups together form a bis-piperazino bridge of the formula: ##STR39## where D is a 1,3-phenylene group, a 1,4-phenylene group, a 1,4-phenylene group substituted by one or more methyl groups, a 9,10-anthracene group or a 2,6-pyridylene group subject to the proviso that when the two R 3 groups do not form a carbon-carbon bridge, either the two R 6 groups must form a nitrogen-nitrogen bridge or the two NR 4 R 6 groups must form a bis-piperazino bridge; and Z is an electron donor selected from the group consisting of the halide ions, cyanate, thiocyanate, azide, acetonitrile, water, an alkanol containing not more than about five carbon atoms, pyridine, 4-aminopyridine, imidazole and N-methylimidazole.

Claim 143

Dependent Claim 113 words

A method according to claim 133 wherein said salt comprises: [chloro(2,3,11,12,14,20-hexamethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-n-heptyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo-[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-p-methoxyphenyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-p-chlorophenyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,12-di-p-fluorophenyl-3,11,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(14,20-dimethyl-2,12-diphenyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)cobalt(II)] hexafluorophosphate; [acetonitrile(2,3,11,12,14,20-hexamethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile (3,11-dibenzyl-2,12,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(3,11,14,20-tetramethyl-2,12-diphenyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(3,11-dibenzyl-14,20-dimethyl-2,12-diphenyl-3,11,15,19,22,26-hexaazatricyclo[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(2,12,14,20-tetramethyl-3,11,15,19,22,26-hexaazabicyclo[11.7.7]heptacosa-1,12,14,19,21,26-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [acetonitrile(2,12,14,20-tetramethyl-3,11,15,19,22,26-hexaazatricyclo-[11.7.7.1 5 ,9 ]octacosa-1,5,7,9(28),12,14,19,21,26-nonaene-κ 4 N)cobalt(II)] hexafluorophosphate; [acetonitrile(3,10,13,19-tetramethyl-3,10,14,18,21,25-hexaazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; [chloro(2,10-bis-dimethylamino-12,18-dimethyl-13,17,20,24-tetraazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)iron(II)] hexafluorophosphate; [chloro(2,11-bis-dimethylamino13,19dimethyl-14,18,21,25-tetraazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)iron(II)] hexafluorophosphate; [acetonitrile(12,18-dimethyl-2,10-bis-propylamino-13,17,20,24-tetraazabicyclo[9.7.7]pentacosa-1,10,12,17,19,24-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate; or [acetonitrile(2,11-bis-dimethylamino-13,19-dimethyl-14,18,21,25-tetraazabicyclo[10.7.7]hexacosa-1,11,13,18,20,25-hexaene-κ 4 N)cobalt(II)] hexafluorophosphate.

Claim 144

Dependent Claim 373 words

A process for the separation and purification of oxygen and nitrogen comprising: (a) bringing an atmospheric air feed stream into contact with a solution containing a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the structure ##STR40## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R is a polymethylene group containing from about 4 to about 12 carbon atoms, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted-1,4-phenylene group, a 9,9-fluorylene group, an imino group or a methylimino group, subject to the proviso that, when G is an imino group or a methylimino group, the sum of a and b is at least 4; and X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl-substituted-trimethylene or 2-(N-methyl-2-2 pyridino)-trimethylene group, said solution adsorbing oxygen from said atmospheric air feed stream; (b) collecting nitrogen from the atmospheric air feed stream after the oxygen has been adsorbed; (c) desorbing oxygen from said solution to a gaseous product stream; and (d) collecting oxygen from the product stream after the oxygen has been desorbed.

Claim 145

Dependent Claim 373 words

A process for the separation and purification of oxygen and nitrogen comprising: (a) bringing an atmospheric air feed stream into contact with a solution containing a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the structure ##STR40## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R is a polymethylene group containing from about 4 to about 12 carbon atoms, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted-1,4-phenylene group, a 9,9-fluorylene group, an imino group or a methylimino group, subject to the proviso that, when G is an imino group or a methylimino group, the sum of a and b is at least 4; and X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl-substituted-trimethylene or 2-(N-methyl-2-2 pyridino)-trimethylene group, said solution adsorbing oxygen from said atmospheric air feed stream; (b) collecting nitrogen from the atmospheric air feed stream after the oxygen has been adsorbed; (c) desorbing oxygen from said solution to a gaseous product stream; and (d) collecting oxygen from the product stream after the oxygen has been desorbed.

Claim 146

Dependent Claim 348 words

A process for the separation and purification of oxygen comprising: (a) bringing a gaseous, oxygen-containing feed stream into contact with a solution containing a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the formula ##STR41## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R is a polymethylene group containing from about 4 to about 12 carbon atoms, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted-1,4-phenylene group, a 9,9-fluorylene group, an imino group or a methylimino group, subject to the proviso that when G is an imino group or a methylimino group, the sum of a and b is at least 4; and X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl-substituted-trimethylene or 2-(N-methyl-2-2-pyridino)-trimethylene group, said solution adsorbing oxygen from said gaseous oxygen-containing feed stream; (b) desorbing oxygen from said solution to a gaseous product stream; and (c) collecting oxygen from the product stream after the oxygen has been desorbed.

Claim 147

Dependent Claim 348 words

A process for the separation and purification of oxygen comprising: (a) bringing a gaseous, oxygen-containing feed stream into contact with a solution containing a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the formula ##STR41## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R is a polymethylene group containing from about 4 to about 12 carbon atoms, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted-1,4-phenylene group, a 9,9-fluorylene group, an imino group or a methylimino group, subject to the proviso that when G is an imino group or a methylimino group, the sum of a and b is at least 4; and X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl-substituted-trimethylene or 2-(N-methyl-2-2-pyridino)-trimethylene group, said solution adsorbing oxygen from said gaseous oxygen-containing feed stream; (b) desorbing oxygen from said solution to a gaseous product stream; and (c) collecting oxygen from the product stream after the oxygen has been desorbed.

Claim 148

Dependent Claim 36 words

The process of claim 135 wherein said desorption of oxygen is accomplished by bringing said solution into contact with a gaseous product stream with an oxygen partial pressure substantially less than that of said feed stream.

Claim 149

Dependent Claim 36 words

The process of claim 136 wherein said desorption of oxygen is accomplished by bringing said solution into contact with a gaseous product stream with an oxygen partial pressure substantially less than that of said feed stream.

Claim 150

Dependent Claim 26 words

The process of claim 135 wherein said desorption of oxygen is accomplished by heating said solution and bringing it into contact with said gaseous product stream.

Claim 151

Dependent Claim 26 words

The process of claim 136 wherein said desorption of oxygen is accomplished by heating said solution and bringing it into contact with said gaseous product stream.

Claim 152

Dependent Claim 41 words

The process of claim 139 wherein the temperature of said feed stream is between about -41.5° C. and +40° C. and the temperature of the product stream is at least about 30° C. higher than the temperature of the product stream.

Claim 153

Dependent Claim 41 words

The process of claim 140 wherein the temperature of said feed stream is between about -41.5° C. and +40° C. and the temperature of the product stream is at least about 30° C. higher than the temperature of the product stream.

Claim 154

Dependent Claim 10 words

The process of claim 135 wherein the metal is cobalt.

Claim 155

Dependent Claim 10 words

The process of claim 136 wherein the metal is cobalt.

Claim 156

Dependent Claim 30 words

The process of claim 137 wherein the oxygen partial pressure of the product steam is at least about 110 mm. Hg. less than the partial pressure of the feed stream.

Claim 157

Dependent Claim 30 words

The process of claim 138 wherein the oxygen partial pressure of the product steam is at least about 110 mm. Hg. less than the partial pressure of the feed stream.

Claim 158

Dependent Claim 17 words

The process of claim 145 wherein the oxygen partial pressure of the feed stream is substantially atmospheric.

Claim 159

Dependent Claim 17 words

The process of claim 146 wherein the oxygen partial pressure of the feed stream is substantially atmospheric.

Claim 160

Dependent Claim 76 words

The process of claim 136 wherein the rates of absorption of oxygen into or desorption of oxygen are increased by agitating said solution or by increasing the interfacial area between said feed stream and said solution, said interfacial area being increased by any of the following methods: (a) bubbling said feed stream through said solution; (b) spraying said solution through said feed stream; or (c) contacting said solution with said feed stream in a packed column.

Claim 161

Dependent Claim 76 words

The process of claim 136 wherein the rates of absorption of oxygen into or desorption of oxygen are increased by agitating said solution or by increasing the interfacial area between said feed stream and said solution, said interfacial area being increased by any of the following methods: (a) bubbling said feed stream through said solution; (b) spraying said solution through said feed stream; or (c) contacting said solution with said feed stream in a packed column.

Claim 162

Dependent Claim 17 words

The process of claim 135 conducted at a temperature of between about -41.5° C. and +40° C.

Claim 163

Dependent Claim 17 words

The process of claim 136 conducted at a temperature of between about -41.5° C. and +40° C.

Claim 164

Dependent Claim 27 words

The process of claim 135 wherein the solvent is selected from nitriles, amines, water and mixtures thereof, and the axial base is selected from imidazoles and pyridines.

Claim 165

Dependent Claim 27 words

The process of claim 136 wherein the solvent is selected from nitriles, amines, water and mixtures thereof, and the axial base is selected from imidazoles and pyridines.

Claim 166

Dependent Claim 24 words

The process of claim 153 wherein the solvent is dimethylformamide and the axial base is selected from at least one of 1-methylimidazole and pyridine.

Claim 167

Dependent Claim 24 words

The process of claim 154 wherein the solvent is dimethylformamide and the axial base is selected from at least one of 1-methylimidazole and pyridine.

Claim 168

Dependent Claim 47 words

The process of claim 155 wherein the oxygen carrier is a salt of a cation having the formula ##STR42## wherein: R is as defined in claim 135; R 3 is methyl or benzyl; and R 4 is hydrogen or methyl; X is an ethylene or trimethylene group.

Claim 169

Dependent Claim 47 words

The process of claim 156 wherein the oxygen carrier is a salt of a cation having the formula ##STR43## wherein: R is as defined in claim 151; R 3 is methyl or benzyl; and R 4 is hydrogen or methyl; X is an ethylene or trimethylene group.

Claim 170

Dependent Claim 307 words

A solution useful for the separation of oxygen and nitrogen from atmospheric air comprising a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent or solvent mixture being capable of dissolving said axial base and said oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the structure wherein: ##STR44## M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R is a polymethylene group containing from about 4 to about 12 carbon atoms, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted-1,4-phenylene group, a 9,9-fluorylene group, an imino group or a methylimino group, subject to the proviso that when G is an imino group or a methylimino group, the sum of a and b is at least 4; and X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl-substituted-trimethylene or 2-(N-methyl-2-2 pyridino)-trimethylene group.

Claim 171

Dependent Claim 307 words

A solution useful for the separation of oxygen and nitrogen from atmospheric air comprising a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent or solvent mixture being capable of dissolving said axial base and said oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the structure wherein: ##STR44## M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, an alkyl group containing not more than about 17 carbon atoms, a benzyl group, a phenyl group, or a phenyl group substituted by a halogen atom or by one or two methoxy groups; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R is a polymethylene group containing from about 4 to about 12 carbon atoms, or a grouping of the formula --(CH 2 ) a --G--(CH 2 ) b --where a and b are each independently 1, 2 or 3 and G is a 1,3-phenylene group, a 1,4-phenylene group, a methoxy-substituted-1,4-phenylene group, a 9,9-fluorylene group, an imino group or a methylimino group, subject to the proviso that when G is an imino group or a methylimino group, the sum of a and b is at least 4; and X and Y are each independently an o-phenylene, ethylene, trimethylene, 2-(2-pyridyl)-trimethylene, 2-methyl-substituted-trimethylene or 2-(N-methyl-2-2 pyridino)-trimethylene group.

Claim 172

Dependent Claim 27 words

The solution of claim 159 wherein the solvent is selected from nitriles, amines, water and mixtures thereof, and the axial base is selected from imidazoles and pyridines.

Claim 173

Dependent Claim 65 words

The solution of claim 160 wherein the solvent is dimethylformamide, the axial base is selected from at least one of 1-methylimidazole and pyridine, and the oxygen carrier is a salt of a cation having the formula ##STR45## wherein: R is as defined in claim 135; R 3 is methyl or benzyl; and R 4 is hydrogen or methyl; X is an ethylene or trimethylene group.

Claim 174

Dependent Claim 191 words

A process for the separation and purification of oxygen and nitrogen comprising: (a) bring an atmospheric air feed stream into contact with a solution containing a solvent or solvent mixture, an axial base and an oxygen carrier when they are present together, said axial ase being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the structure ##STR46## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or a m- or p-xylylene group; and each R 6 independently is hydrogen or a methyl group.

Claim 175

Dependent Claim 191 words

A process for the separation and purification of oxygen and nitrogen comprising: (a) bring an atmospheric air feed stream into contact with a solution containing a solvent or solvent mixture, an axial base and an oxygen carrier when they are present together, said axial ase being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the structure ##STR46## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or a m- or p-xylylene group; and each R 6 independently is hydrogen or a methyl group.

Claim 176

Dependent Claim 202 words

A process for the separation and purification of oxygen comprising: bringing a gaseous, oxygen-containing feed stream into contact with a solution containing a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the formula ##STR47## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or a m- or p-xylylene group; and each R 6 independently is hydrogen or a methyl group.

Claim 177

Dependent Claim 202 words

A process for the separation and purification of oxygen comprising: bringing a gaseous, oxygen-containing feed stream into contact with a solution containing a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the formula ##STR47## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or a m- or p-xylylene group; and each R 6 independently is hydrogen or a methyl group.

Claim 178

Dependent Claim 36 words

The process of claim 162 wherein said desorption of oxygen is accomplished by bringing said solution into contact with a gaseous product stream with an oxygen partial pressure substantially less than that of said feed stream.

Claim 179

Dependent Claim 36 words

The process of claim 163 wherein said desorption of oxygen is accomplished by bringing said solution into contact with a gaseous product stream with an oxygen partial pressure substantially less than that of said feed stream.

Claim 180

Dependent Claim 26 words

The process of claim 162 wherein said desorption of oxygen is accomplished by heating said solution and bringing it into contact with said gaseous product stream.

Claim 181

Dependent Claim 26 words

The process of claim 162 wherein said desorption of oxygen is accomplished by heating said solution and bringing it into contact with said gaseous product stream.

Claim 182

Dependent Claim 41 words

The process of claim 166 wherein the temperature of said feed stream is between about -41.5° C. and +40° C. and the temperature of the product stream is at least about 30° C. higher than the temperature of the product stream.

Claim 183

Dependent Claim 41 words

The process of claim 167 wherein the temperature of said feed stream is between about -41.5° C. and +40° C. and the temperature of the product stream is at least about 30° C. higher than the temperature of the product stream.

Claim 184

Dependent Claim 10 words

The process of claim 162 wherein the metal is cobalt.

Claim 185

Dependent Claim 10 words

The process of claim 163 wherein the metal is cobalt.

Claim 186

Dependent Claim 30 words

The process of claim 164 wherein the oxygen partial pressure of the product steam is at least about 110 mm. Hg. less than the partial pressure of the feed stream.

Claim 187

Dependent Claim 30 words

The process of claim 165 wherein the oxygen partial pressure of the product steam is at least about 110 mm. Hg. less than the partial pressure of the feed stream.

Claim 188

Dependent Claim 17 words

The process of claim 164 wherein the oxygen partial pressure of the feed stream is substantially atmospheric.

Claim 189

Dependent Claim 17 words

The process of claim 165 wherein the oxygen partial pressure of the feed stream is substantially atmospheric.

Claim 190

Dependent Claim 76 words

The process of claim 162 wherein the rates of absorption of oxygen into or desorption of oxygen are increased by agitating said solution or by increasing the interfacial area between said feed stream and said solution, said interfacial area being increased by any of the following methods: (a) bubbling said feed stream through said solution; (b) spraying said solution through said feed stream; or (c) contacting said solution with said feed stream in a packed column.

Claim 191

Dependent Claim 76 words

The process of claim 163 wherein the rates of absorption of oxygen into or desorption of oxygen are increased by agitating said solution or by increasing the interfacial area between said feed stream and said solution, said interfacial area being increased by any of the following methods: (a) bubbling said feed stream through said solution; (b) spraying said solution through said feed stream; or (c) contacting said solution with said feed stream in a packed column.

Claim 192

Dependent Claim 17 words

The process of claim 162 conducted at a temperature of between about -41.5° C. and +40° C.

Claim 193

Dependent Claim 17 words

The process of claim 163 conducted at a temperature of between about -41.5° C. and +40° C.

Claim 194

Dependent Claim 27 words

The process of claim 162 wherein the solvent is selected from nitriles, amines, water and mixtures thereof, and the axial base is selected from imidazoles and pyridines.

Claim 195

Dependent Claim 27 words

The process of claim 163 wherein the solvent is selected from nitriles, amines, water and mixtures thereof, and the axial base is selected from imidazoles and pyridines.

Claim 196

Dependent Claim 24 words

The process of claim 180 wherein the solvent is dimethylformamide and the axial base is selected from at least one of 1-methylimidazole and pyridine.

Claim 197

Dependent Claim 24 words

The process of claim 181 wherein the solvent is dimethylformamide and the axial base is selected from at least one of 1-methylimidazole and pyridine.

Claim 198

Dependent Claim 196 words

A solution useful for the separation of oxygen and nitrogen from atmospheric air comprising a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent or solvent mixture being capable of dissolving said axial base and said oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the structure ##STR48## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or a m- or p-xylylene group; and each R 6 independently is hydrogen or a methyl group.

Claim 199

Dependent Claim 196 words

A solution useful for the separation of oxygen and nitrogen from atmospheric air comprising a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent or solvent mixture being capable of dissolving said axial base and said oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex which is a salt of a cation having the structure ##STR48## wherein: M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3; each R 1 independently is hydrogen or a methyl group; each R 2 independently is hydrogen or a methyl group; each R 4 independently is hydrogen, an alkyl group containing not more than about 4 carbon atoms, a cyanoalkyl group containing not more than about 4 carbon atoms, a phenyl group or a benzyl group; R 5 is a polymethylene group containing from 7 to about 12 carbon atoms or a m- or p-xylylene group; and each R 6 independently is hydrogen or a methyl group.

Claim 200

Dependent Claim 27 words

The solution of claim 184 wherein the solvent is selected from nitriles, amines, water and mixtures thereof, and the axial base is selected from imidazoles and pyridines.

Claim 201

Dependent Claim 113 words

A solution useful for the separation of oxygen and nitrogen from atmospheric air comprising a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent or solvent mixture being capable of dissolvent the axial based and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a mutual-containing complex having any of the structures: ##STR49## wherein M is metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; X is --O--, --S-- ##STR50## R is hydrogen alkyl, aryl, halogen, alkoxy or a nitrogen-containing moiety; and Y is halide, nitrate, thiocyanate or cyanide.

Claim 202

Dependent Claim 113 words

A solution useful for the separation of oxygen and nitrogen from atmospheric air comprising a solvent or solvent mixture, an axial base and an oxygen carrier, said solvent or solvent mixture being capable of dissolvent the axial based and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a mutual-containing complex having any of the structures: ##STR49## wherein M is metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; X is --O--, --S-- ##STR50## R is hydrogen alkyl, aryl, halogen, alkoxy or a nitrogen-containing moiety; and Y is halide, nitrate, thiocyanate or cyanide.

Claim 203

Dependent Claim 301 words

A process for the separation and purification of oxygen and nitrogen comprising: (a) bringing atmospheric air into contact with a membrane, said membrane separating said atmospheric air into a feed stream on one side of said membrane and a product stream on the other side of said membrane, (b) maintaining the oxygen partial pressure on the product-stream side of said membrane lower than the oxygen partial pressure on the feed-stream side of said membrane, (c) collecting oxygen from the product-stream side of said membrane, (d) said membrane comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR51## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 204

Dependent Claim 301 words

A process for the separation and purification of oxygen and nitrogen comprising: (a) bringing atmospheric air into contact with a membrane, said membrane separating said atmospheric air into a feed stream on one side of said membrane and a product stream on the other side of said membrane, (b) maintaining the oxygen partial pressure on the product-stream side of said membrane lower than the oxygen partial pressure on the feed-stream side of said membrane, (c) collecting oxygen from the product-stream side of said membrane, (d) said membrane comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR51## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 205

Dependent Claim 302 words

A process for the separation and purification of oxygen comprising: (a) bringing a gaseous oxygen-containing stream into contact with a membrane, said membrane separating said gaseous oxygen-containing stream into a feed stream on one side of said membrane and a product stream on the other side of said membrane, (b) maintaining the oxygen partial pressure on the product-stream side of said membrane lower than the oxygen partial pressure on the feed-stream side of said membrane, (c) collecting oxygen from the product-stream side of said membrane, (d) said membrane comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR52## wherein m is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 206

Dependent Claim 302 words

A process for the separation and purification of oxygen comprising: (a) bringing a gaseous oxygen-containing stream into contact with a membrane, said membrane separating said gaseous oxygen-containing stream into a feed stream on one side of said membrane and a product stream on the other side of said membrane, (b) maintaining the oxygen partial pressure on the product-stream side of said membrane lower than the oxygen partial pressure on the feed-stream side of said membrane, (c) collecting oxygen from the product-stream side of said membrane, (d) said membrane comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR52## wherein m is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 207

Dependent Claim 297 words

A process for the separation and purification of oxygen and nitrogen comprising: (a) bringing atmospheric air into contact with a membrane, said membrane separating said atmospheric air into a feed stream on one side of said membrane and a product stream on the other side of said membrane, (b) maintaining the temperature on the product-stream side of said membrane higher than the temperature on the feed-stream side of said membrane, (c) collecting oxygen from the product-stream side of said membrane, (d) said membrane comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR53## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 208

Dependent Claim 297 words

A process for the separation and purification of oxygen and nitrogen comprising: (a) bringing atmospheric air into contact with a membrane, said membrane separating said atmospheric air into a feed stream on one side of said membrane and a product stream on the other side of said membrane, (b) maintaining the temperature on the product-stream side of said membrane higher than the temperature on the feed-stream side of said membrane, (c) collecting oxygen from the product-stream side of said membrane, (d) said membrane comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR53## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 209

Dependent Claim 298 words

A process for the separation and purification of oxygen comprising: (a) bringing a gaseous oxygen-containing stream into contact with a membrane, said membrane separating said gaseous oxygen-containing stream into a feed stream on one side of said membrane and a product stream on the other side of said membrane, (b) maintaining the temperature on the product-stream side of said membrane higher than the temperature on the feed-stream side of said membrane, (c) collecting oxygen from the product-stream side of said membrane, (d) said membrane comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR54## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 210

Dependent Claim 298 words

A process for the separation and purification of oxygen comprising: (a) bringing a gaseous oxygen-containing stream into contact with a membrane, said membrane separating said gaseous oxygen-containing stream into a feed stream on one side of said membrane and a product stream on the other side of said membrane, (b) maintaining the temperature on the product-stream side of said membrane higher than the temperature on the feed-stream side of said membrane, (c) collecting oxygen from the product-stream side of said membrane, (d) said membrane comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR54## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 211

Dependent Claim 26 words

The process of claim 187 or 188 wherein the oxygen partial pressure on the feed-stream side of said membrane is substantially atmospheric or less than atmospheric.

Claim 212

Dependent Claim 29 words

The process of claim 187 or 188 wherein the oxygen partial pressure on the feed-stream side of said membrane is at least about 10 mm Hg high than atmospheric.

Claim 213

Dependent Claim 19 words

The process of claim 187 or 188 conducted at a temperature of between about -50° C. and +100° C.

Claim 214

Dependent Claim 25 words

The process of claim 189 or 190 wherein the temperature on the feed-stream side of said membrane is between about -50° C and +95° C.

Claim 215

Dependent Claim 14 words

The process of claim 187, 188, 189 or 190 wherein the metal is cobalt.

Claim 216

Dependent Claim 32 words

The process of claim 187 or 188 wherein the solvent or solvent mixture is selected from nitriles, amines, water and mixtures thereof, and the axial base is selected from imidazoles and pyridines.

Claim 217

Dependent Claim 26 words

The process of claim 187 or 188 wherein the solvent is dimethylformamide, and the axial base is selected from at least one of 1-methylimidazole and pyridine.

Claim 218

Dependent Claim 43 words

The process of claim 187 or 188 wherein the oxygen carrier is ##STR55## wherein R is as defined in claim 203; R 4 is hydrogen or methyl; R 3 is methyl or benzyl; and X is alkyl containing 2 to 3 carbon atoms.

Claim 219

Dependent Claim 225 words

A membrane useful for the separation of oxygen and nitrogen from atmospheric air comprising a membrane support, said membrane support containing a solvent or solvent mixture, axial base, and oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR56## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 220

Dependent Claim 225 words

A membrane useful for the separation of oxygen and nitrogen from atmospheric air comprising a membrane support, said membrane support containing a solvent or solvent mixture, axial base, and oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR56## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 221

Dependent Claim 30 words

The membrane of claim 199 wherein the solvent or solvent mixture is selected from nitriles, amines, water and mixtures thereof, and the axial base is selected from imidazoles and pyridines.

Claim 222

Dependent Claim 59 words

The membrane of claim 199 wherein the solvent is dimethylformamide, the axial base is selected from at least one of 1-methylimidazole and pyridine, and the oxygen carrier is ##STR57## wherein R is as defined in claim 203; R 4 is hydrogen or methyl; R 3 is methyl or benzyl; and X is alkyl containing 2 to 3 carbon atoms.

Claim 223

Dependent Claim 36 words

The membrane of claim 199 wherein the solvent or solvent mixture contains an additive selected from the group consisting of less than or equal to 20% by weight of water or an inorganic acid or base.

Claim 224

Dependent Claim 317 words

Apparatus for the separation and purification of oxygen and nitrogen comprising: (a) membrane means, (b) means for bringing atmospheric air into contact with said membrane means, said membrane means separating said atmospheric air into a feed stream on one side of said membrane means and a product stream on the other side of said membrane means, (c) means for maintaining the oxygen partial pressure on the product-stream side of said membrane means lower than the oxygen partial pressure on the feed-stream side of said membrane means, (d) means for collecting oxygen from the product-stream side of said membrane means, (e) said membrane means comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR58## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 225

Dependent Claim 317 words

Apparatus for the separation and purification of oxygen and nitrogen comprising: (a) membrane means, (b) means for bringing atmospheric air into contact with said membrane means, said membrane means separating said atmospheric air into a feed stream on one side of said membrane means and a product stream on the other side of said membrane means, (c) means for maintaining the oxygen partial pressure on the product-stream side of said membrane means lower than the oxygen partial pressure on the feed-stream side of said membrane means, (d) means for collecting oxygen from the product-stream side of said membrane means, (e) said membrane means comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR58## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 226

Dependent Claim 319 words

Apparatus for the separation and purification of oxygen comprising: (a) a membrane means, (b) means for bringing a gaseous oxygen-containing stream into contact with said membrane means, said membrane means separating said gaseous oxygen-containing stream into a feed stream on one side of said membrane means and a product stream on the other side of said membrane means, (c) means for maintaining the oxygen partial pressure on the product-stream side of said membrane means lower than the oxygen partial pressure on the feed-stream side of said membrane means. (d) means for collecting oxygen from the product-stream side of said membrane means, (e) said membrane means comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR59## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group, and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 227

Dependent Claim 319 words

Apparatus for the separation and purification of oxygen comprising: (a) a membrane means, (b) means for bringing a gaseous oxygen-containing stream into contact with said membrane means, said membrane means separating said gaseous oxygen-containing stream into a feed stream on one side of said membrane means and a product stream on the other side of said membrane means, (c) means for maintaining the oxygen partial pressure on the product-stream side of said membrane means lower than the oxygen partial pressure on the feed-stream side of said membrane means. (d) means for collecting oxygen from the product-stream side of said membrane means, (e) said membrane means comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR59## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group, and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 228

Dependent Claim 315 words

Apparatus for the separation and purification of oxygen and nitrogen comprising: (a) membrane means, (b) means for bringing atmospheric air into contact with said membrane means, said membrane means separating said atmospheric air into a feed stream on one side of said membrane means and a product stream on the other side of said membrane means, (c) temperature maintenance means for maintaining the temperature on the product-stream side of said membrane means higher than the temperature on the feed-stream side of said membrane means, (d) means for collecting oxygen from the product-stream side of said membrane means, (e) said membrane means comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR60## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 229

Dependent Claim 315 words

Apparatus for the separation and purification of oxygen and nitrogen comprising: (a) membrane means, (b) means for bringing atmospheric air into contact with said membrane means, said membrane means separating said atmospheric air into a feed stream on one side of said membrane means and a product stream on the other side of said membrane means, (c) temperature maintenance means for maintaining the temperature on the product-stream side of said membrane means higher than the temperature on the feed-stream side of said membrane means, (d) means for collecting oxygen from the product-stream side of said membrane means, (e) said membrane means comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR60## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 230

Dependent Claim 316 words

Apparatus for the separation and purification of oxygen comprising: (a) membrane means, (b) means for bringing a gaseous oxygen-containing stream into contact with said membrane means, said membrane means separating said gaseous oxygen-containing stream into a feed stream on one side of said membrane means and a product stream on the other side of said membrane means, (c) temperature maintenance means for maintaining the temperature on the product-stream side of said membrane means higher than the temperature on the feed-stream side of said membrane means, (d) means for collecting oxygen from the product-stream side of said membrane means, (e) said membrane means comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR61## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 231

Dependent Claim 316 words

Apparatus for the separation and purification of oxygen comprising: (a) membrane means, (b) means for bringing a gaseous oxygen-containing stream into contact with said membrane means, said membrane means separating said gaseous oxygen-containing stream into a feed stream on one side of said membrane means and a product stream on the other side of said membrane means, (c) temperature maintenance means for maintaining the temperature on the product-stream side of said membrane means higher than the temperature on the feed-stream side of said membrane means, (d) means for collecting oxygen from the product-stream side of said membrane means, (e) said membrane means comprising a membrane support, said membrane support containing a solvent or solvent mixture, an axial base, and an oxygen carrier, said solvent or solvent mixture, axial base, and oxygen carrier being in the liquid phase when present together, said solvent or solvent mixture being capable of dissolving the axial base and the oxygen carrier when they are present together, said axial base being capable of providing a coordinating atom to the oxygen carrier, and said oxygen carrier being a metal-containing complex having either of the structures ##STR61## wherein M is a metal selected from cobalt, iron, copper, nickel, manganese, ruthenium or rhodium; n + is a positive oxidation state of M, n being not greater than 3: in Formula I, each R 1 is hydrogen and each R 2 is methyl, while in Formula III, each R 1 and R 2 independently is hydrogen or a methyl group; each R 3 independently is hydrogen, alkyl or aryl; each R 4 independently is hydrogen, or an alkyl or aryl group; R is an alkylene or arylene group or a nitrogen-containing moiety; R 5 is an alkylene or arylene group; each R 6 independently is hydrogen or an alkyl group; and X and Y are each independently an alkylene or arylene group or a nitrogen-containing moiety.

Claim 232

Dependent Claim 14 words

The apparatus of claim 203, 204, 205 or 206 wherein the metal is cobalt.

Claim 233

Dependent Claim 66 words

The apparatus of claim 203, 204, 205 or 206 wherein the solvent or solvent mixture is dimethylformamide, the axial base is selected from at least one of 1-methylimidazole and pyridine, and the oxygen carrier is ##STR62## wherein R is as defined in claim 203; R 4 is hydrogen or methyl; R 3 is methyl or benzyl; and X is alkyl containing 2 to 3 carbon atoms.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1992-12-18	1993-06-19	1993-12-19	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1996-12-18	1997-06-19	1997-12-19	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2000-12-18	2001-06-19	2001-12-19	$7700.00	Window Closed / Lapsed

Salts of cationic-metal dry cave complexes

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