Patent US2332410A successfully refreshed from Google Patents.
Patent US3978167A successfully refreshed from Google Patents.
US3978167A
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Pentaerythritol cyclic diphosphates and diphosphoramidates
Assignee: Great Lakes Chemical Corp
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Filing: 1975-09-26
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Granted: 1976-08-31
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Expires: 1995-09-26
Abstract
Abstract Organophosphorus compounds of the formula ##EQU1## where X and X 1 are each oxygen or sulfur and Y and Y 1 are each monovalent halogenated oxyaliphatic or oxyalicyclic or ##EQU2## where R and R 1 are each hydrogen, monovalent hydrocarbon or halogenated monovalent hydrocarbon, Are disclosed herein. The compounds are useful as flame-retardants for polymers.
Inventors
- 👤 James A. Albright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:41
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657154; C07F9/6574; C07F9/65746; C08; C08K; C08K5/00; C08K5/49; C08K5/51
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
89 words
A compound of the formula ##EQU3## where X and X 1 are each oxygen or sulfur and Y and Y 1 are each ##EQU4## where Z 1 and Z 2 are independently selected from fluorine, chlorine, bromine, iodine, and hydrogen and wherein Z 3 is selected from fluorine, chlorine, bromine, and iodine and where R and R 1 are each aliphatic, halogenated aliphatic, aromatic or halogenated aromatic hydrocarbon groups containing not more than about 12 carbon atoms, said halogenated groups having up to about 6 halogen substituents per group.
Claim 2
Dependent Claim
89 words
A compound of the formula ##EQU3## where X and X 1 are each oxygen or sulfur and Y and Y 1 are each ##EQU4## where Z 1 and Z 2 are independently selected from fluorine, chlorine, bromine, iodine, and hydrogen and wherein Z 3 is selected from fluorine, chlorine, bromine, and iodine and where R and R 1 are each aliphatic, halogenated aliphatic, aromatic or halogenated aromatic hydrocarbon groups containing not more than about 12 carbon atoms, said halogenated groups having up to about 6 halogen substituents per group.
Claim 3
Dependent Claim
14 words
A compound according to Claim 1 wherein X and X 1 are both oxygen.
Claim 4
Dependent Claim
33 words
A compound according to claim 1 wherein Y and Y 1 are both ##STR14## wherein Z 1 , Z 2 , and Z 3 are independently selected from fluorine, chlorine, bromine, and chlorine.
Claim 5
Dependent Claim
23 words
A compound according to claim 3 wherein Z 1 , Z 2 , and Z 3 are independently selected from chlorine and bromine.
Claim 6
Dependent Claim
11 words
A compound according to claim 1 wherein said compound is 3,9-bis(2,2-[dibromomethyl]-3-chloropropoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane-3,9-dioxide.
Claim 7
Dependent Claim
14 words
A compound according to Claim 1 wherein said Y and Y 1 are ##STR15##
Claim 8
Dependent Claim
23 words
A compound according to claim 6 wherein the halogen substituents on said R and R 1 groups are chlorine, bromine or combinations thereof.
Claim 9
Dependent Claim
14 words
A compound according to claim 6 wherein X and X 1 are both oxygen.
Claim 10
Dependent Claim
29 words
A compound according to claim 8 wherein said R and R 1 are phenyl or halogenated phenyl or alkyl or halogenated alkyl having up to about six carbon atoms.
Claim 11
Dependent Claim
23 words
A compound according to claim 8 wherein the halogen substituents on said R and R 1 groups are chlorine, bromine or combinations thereof.
Claim 12
Dependent Claim
37 words
A compound according to claim 8 wherein said R and R 1 are phenyl or halogenated phenyl or alkyl or halogenated alkyl having up to about six carbon atoms and from zero to about three halogen substituents.
Claim 13
Dependent Claim
29 words
A compound according to claim 6 wherein said R and R 1 are phenyl or halogenated phenyl or alkyl or halogenated alkyl having up to about six carbon atoms.
Claim 14
Dependent Claim
37 words
A compound according to claim 6 wherein said R and R 1 are phenyl or halogenated phenyl or alkyl or halogenated alkyl having up to about six carbon atoms and from zero to about three halogen substituents.
Claim 15
Dependent Claim
11 words
A compound according to claim 1 wherein said compound is 3,9-bis(N,N-diethylamino)-2,4,8,10-tetraoxa-3-9-diphosphaspiro[5.5]undecane-3,9-dioxide.
Claim 16
Dependent Claim
11 words
A compound according to claim 1 wherein said compound is 3,9-bis(N,N-dimethylamino)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane-3,9-dioxide.
Claim 17
Dependent Claim
11 words
A compound according to claim 1 wherein said compound is 3,9-bis(N-p-bromophenylamino)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane-3,9-dioxide.
Claim 18
Dependent Claim
42 words
A compound according to claim 1 wherein Y and Y 1 are both ##STR16## wherein Z 1 and Z 2 are independently selected from fluorine, chlorine, bromine, iodine, and hydrogen and wherein Z 3 is selected from fluorine, chlorine, bromine, and iodine.
Claim 19
Dependent Claim
11 words
A compound according to claim 17 wherein said compound is 3,9-bis(2,2-[dibromomethyl]-3-bromopropoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane-3,9-dioxide.
Claim 20
Dependent Claim
11 words
A compound according to claim 17 wherein said compound is 3,9-bis(2,2-[dichloromethyl]-3-chloropropoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane-3,9-dioxide.
Claim 21
Dependent Claim
11 words
A compound according to claim 17 wherein said compound is 3,9-bis(2,2-[dimethyl]-3-chloropropoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane-3,9-dioxide.
Claim 22
Dependent Claim
11 words
A compound according to claim 17 wherein said compound is 3,9-bis(2,2-[dimethyl]-3-bromopropoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane-3,9-dioxide.
Claim 23
Dependent Claim
117 words
A compound of the formula ##STR17## where X and X 1 are each oxygen or sulfur and Y and Y 1 are each ##STR18## where Z 1 and Z 2 are independently selected from fluorine, chlorine, bromine, iodine, and hydrogen and wherein Z 3 is selected from fluorine, chlorine, bromine, and iodine and where R and R 1 are each hydrogen, aliphatic halogenated aliphatic, aromatic or halogenated aromatic hydrocarbon groups containing not more than about 12 carbon atoms, said halogenated groups having up to about 6 halogen substituents per group, and provided that when R and R 1 are both hydrogen and X and X 1 are both oxygen Y must be different from Y 1 .
Claim 24
Dependent Claim
117 words
A compound of the formula ##STR17## where X and X 1 are each oxygen or sulfur and Y and Y 1 are each ##STR18## where Z 1 and Z 2 are independently selected from fluorine, chlorine, bromine, iodine, and hydrogen and wherein Z 3 is selected from fluorine, chlorine, bromine, and iodine and where R and R 1 are each hydrogen, aliphatic halogenated aliphatic, aromatic or halogenated aromatic hydrocarbon groups containing not more than about 12 carbon atoms, said halogenated groups having up to about 6 halogen substituents per group, and provided that when R and R 1 are both hydrogen and X and X 1 are both oxygen Y must be different from Y 1 .
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-31 | 1980-03-01 | 1980-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-31 | 1984-03-01 | 1984-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-31 | 1988-03-01 | 1988-08-31 | $7700.00 | Window Closed / Lapsed |