Dye precursors and their use in photographic materials and processes

Claim 2

In a photographic element comprising a support having thereon, in reactive association, in binder, photographic silver halide and a dye precursor, the improvement wherein, said dye precursor is a diphenylamine having, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 3

A photographic element as in claim 1 wherein said sulfonyldiamido group is represented by the formula: --NHSO.sub.2 NH--R wherein R is hydrogen or alkyl containing 1 to 20 carbon atoms.

Claim 4

A photographic element as in claim 1 wherein said diphenylamine is represented by the formula: ##STR21## wherein R 1 is hydrogen, substituted amino, alkyl containing 1 to 20 carbon atoms, alkoxy containing 1 to 20 carbon atoms, aryloxy containing 6 to 20 carbon atoms, sulfonamido or carboxamido; R 2 is hydrogen, alkyl containing 1 to 20 carbon atoms, alkoxy containing 1 to 20 carbon atoms, sulfonamido, carboxamido, ureido, or halo; R and R 3 are individually hydrogen or alkyl containing 1 to 20 carbon atoms; R 4 is hydrogen, substituted amino, sulfonyldiamido, aryl containing 6 to 20 carbon atoms, alkyl containing 1 to 20 carbon atoms, alkoxy containing 1 to 20 carbon atoms, sulfonamido, carboxamido, halo or taken together with R 5 represents the carbon and hydrogen atoms necessary to complete an aromatic ring; R 5 is hydrogen, alkyl containing 1 to 20 carbon atoms, aryl containing 6 to 20 carbon atoms, sulfonyldiamido, sulfonamido, carboxamido, halo, alkoxy containing 1 to 20 carbon atoms, or taken together with R 4 represents the carbon and hydrogen atoms necessary to complete an aromatic ring.

Claim 5

A photographic element as in claim 1 wherein said diphenylamine comprising a 2-sulfonyldiamido group is a compound selected from the group consisting of ##STR22## and combinations thereof.

Claim 6

A photographic element as in claim 1 also comprising at least one image-forming material which generates an image in response to the presence of ammonia or an amine from said sulfonylamine fragment.

Claim 7

A photographic element as in claim 1 also comprising an aromatic dialdehyde capable of reacting with ammonia or an amine generated from said sulfonylamine fragment.

Claim 8

A photographic element as in claim 1 also comprising o-phthalaldehyde capable of reacting with ammonia or an amine generated from said sulfonylamine fragment.

Claim 9

A photographic element as in claim 1 also comprising a reducible cobalt (III) complex containing releasable amine ligands.

Claim 10

A photographic element as in claim 1 also comprising, in at least one operatively associated layer, an energy-activatable image precursor composition comprising at least one cobalt (III) complex having releasable ligands and an image-forming material which generates an image in response to the release of the ligands.

Claim 11

In a photothermographic element comprising on a support, in binder, in reactive association, (a) photographic silver halide, (b) an organic silver salt oxidizing agent, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of a diphenylamine having, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 12

In a photothermographic element comprising on a support, in binder, in reactive association, (a) photographic silver halide, (b) an organic silver salt oxidizing agent, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of a diphenylamine having, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 13

A photothermographic element as in claim 10 comprising a crossoxidizing silver halide developing agent.

Claim 14

In a photothermographic element comprising on a support, in a poly(vinyl butyral) binder, in reactive association, (a) photographic silver halide, (b) a silver dodecyltetrazolate oxidizing agent, (c) a toner, and (d) a dye precursor, the improvement wherein, said dye precursor consists essentially of a compound selected from the group consisting of ##STR23## and combinations thereof.

Claim 15

In a photothermographic element comprising on a support, in a poly(vinyl butyral) binder, in reactive association, (a) photographic silver halide, (b) a silver dodecyltetrazolate oxidizing agent, (c) a toner, and (d) a dye precursor, the improvement wherein, said dye precursor consists essentially of a compound selected from the group consisting of ##STR23## and combinations thereof.

Claim 16

In a photothermographic element comprising on a support, in a gelatino binder, in reactive association, (a) photographic silver halide, (b) a melt forming compound, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of a diphenylamine having, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 17

In a photothermographic element comprising on a support, in a gelatino binder, in reactive association, (a) photographic silver halide, (b) a melt forming compound, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of a diphenylamine having, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 18

In a photothermographic element comprising on a support, in a gelatino binder, in reactive association, (a) photographic silver halide, (b) a melt forming compound consisting essentially of methyl urea, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of N-[2-(4-N,N-diethylaminoanilino)-5-methanesulfonamidophenyl]sulfamide.

Claim 19

In a photothermographic element comprising on a support, in a gelatino binder, in reactive association, (a) photographic silver halide, (b) a melt forming compound consisting essentially of methyl urea, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of N-[2-(4-N,N-diethylaminoanilino)-5-methanesulfonamidophenyl]sulfamide.

Claim 20

In a photographic composition comprising a photographic silver halide and a diphenylamine, the improvement wherein, said diphenylamine comprises, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 21

In a photographic composition comprising a photographic silver halide and a diphenylamine, the improvement wherein, said diphenylamine comprises, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 22

A photographic composition as in claim 15 wherein said sulfonyldiamido group is represented by the formula: --NHSO.sub.2 NH--R wherein R is hydrogen or alkyl containing 1 to 20 carbon atoms.

Claim 23

A photographic composition as in claim 15 wherein said diphenylamine is represented by the formula: ##STR24## wherein R 1 is hydrogen, substituted amino, alkyl containing 1 to 20 carbon atoms, alkoxy containing 1 to 20 carbon atoms, aryloxy containing 6 to 20 carbon atoms, sulfonamido or carboxamido; R 2 is hydrogen, alkyl containing 1 to 20 carbon atoms, alkoxy containing 1 to 20 carbon atoms, sulfonamido, carboxamido or halo; R and R 3 are individually hydrogen or alkyl containing 1 to 20 carbon atoms; R 4 is hydrogen, substituted amino, sulfonyldiamido, aryl containing 6 to 20 carbon atoms, alkyl containing 1 to 20 carbon atoms, alkoxy containing 1 to 20 carbon atoms, sulfonamido, carboxamido, halo or taken together with R 5 represents the carbon and hydrogen atoms necessary to complete an aromatic ring; R 5 is hydrogen, alkyl containing 1 to 20 carbon atoms, aryl containing 6 to 20 carbon atoms, sulfonyldiamido, sulfonamido, carboxamido, halo, alkoxy containing 1 to 20 carbon atoms, or taken together with R 4 represents the carbon and hydrogen atoms necessary to complete an aromatic ring.

Claim 24

A photographic composition as in claim 15 wherein said diphenylamine is a compound selected from the group consisting of ##STR25## and combinations thereof.

Claim 25

A photographic composition as in claim 15 also comprising at least one image-forming material which generates an image in response to the presence of ammonia or an amine from said sulfonylamine fragment.

Claim 26

A photographic composition as in claim 15 also comprising an aromatic dialdehyde capable of reacting with ammonia or an amine generated from said sulfonylamine fragment.

Claim 27

A photographic composition as in claim 15 also comprising o-phthalaldehyde capable of reacting with ammonia or an amine generated from said sulfonylamine fragment.

Claim 28

A photographic composition as in claim 15 also comprising a reducible cobalt (III) complex containing releasable amine ligands.

Claim 29

In a photothermographic composition comprising (a) photographic silver halide, (b) an organic silver salt oxidizing agent, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of a diphenylamine having, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 30

In a photothermographic composition comprising (a) photographic silver halide, (b) an organic silver salt oxidizing agent, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of a diphenylamine having, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 31

In a photothermographic composition comprising (a) photographic silver halide, (b) a silver dodecyltetrazolate oxidizing agent, (c) a toner, and (d) a dye precursor, the improvement wherein, said dye precursor consists essentially of a compound selected from the group consisting of ##STR26## and combinations thereof.

Claim 32

In a photothermographic composition comprising (a) photographic silver halide, (b) a silver dodecyltetrazolate oxidizing agent, (c) a toner, and (d) a dye precursor, the improvement wherein, said dye precursor consists essentially of a compound selected from the group consisting of ##STR26## and combinations thereof.

Claim 33

In a photothermographic composition comprising, in a gelatino binder, (a) photographic silver halide, (b) a melt forming compound, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of a diphenylamine having, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 34

In a photothermographic composition comprising, in a gelatino binder, (a) photographic silver halide, (b) a melt forming compound, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of a diphenylamine having, in an ortho position to the amine, a sulfonyldiamido group that is capable upon oxidation of said diphenylamine of releasing a sulfonylamine fragment which, in turn, is capable of thermally releasing ammonia or an amine and wherein said diphenylamine is capable upon oxidation of forming a phenazine dye.

Claim 35

In a photothermographic composition comprising, in a gelatino binder, (a) photographic silver halide, (b) a melt forming compound, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of N-[2-(4-N,N-diethylaminoanilino)-5-methanesulfonamidophenyl]sulfamide.

Claim 36

In a photothermographic composition comprising, in a gelatino binder, (a) photographic silver halide, (b) a melt forming compound, and (c) a dye precursor, the improvement wherein, said dye precursor consists essentially of N-[2-(4-N,N-diethylaminoanilino)-5-methanesulfonamidophenyl]sulfamide.

Claim 37

A process of developing an image in an exposed photographic element as defined in claim 1 comprising heating said element to a temperature within the range of about 100° C. to about 180° C. until said image is developed.

Claim 38

A process of developing an image in an exposed photographic element as defined in claim 1 comprising heating said element to a temperature within the range of about 100° C. to about 180° C. for about 2 to about 90 seconds until said image is developed.

Claim 39

A process of developing an image in an exposed photothermographic element as defined in claim 11 comprising heating said element to a temperature within the range of about 100° C. to about 180° C. until said image is developed.