Patent US3976619A successfully refreshed from Google Patents.
US3976619A
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Flame retardant polymers containing phosphates
Assignee: Monsanto Co
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Filing: 1974-12-05
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Granted: 1976-08-24
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Expires: 1994-12-05
Abstract
Abstract Compound of the formula XX PARALLEL PARALLEL (halR'O)2POR--OR)nOP(OR'hal)2 WHEREIN R represents alkylene, cycloalkylene or alkylenecycloalkylene, R' represents an alkylene group of 1 to 10 carbons, X represents oxygen or sulfur, hal represents chlorine or bromine and n represents an integer from 0 to 5, are useful as flame retardants for material and synthetic material.
Inventors
- 👤 Albert W. Morgan
- 👤 William Vanderlinde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:37
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/16; C07F9/165; C07F9/1651; Y; Y10; Y10S; Y10S521/00; Y10S521/906
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
60 words
A polymer composition containing an effective flame retardant amount of a compound of the formula ##EQU2## wherein R represents cycloalkylene or alkylenecycloalkylene of from 5 to about 12 carbon atoms, R' represents an alkylene group of 2 to 10 carbon atoms, X represents oxygen or sulfur, hal represents chlorine or bromine and n represents an integer from 0 to 5.
Claim 2
Dependent Claim
60 words
A polymer composition containing an effective flame retardant amount of a compound of the formula ##EQU2## wherein R represents cycloalkylene or alkylenecycloalkylene of from 5 to about 12 carbon atoms, R' represents an alkylene group of 2 to 10 carbon atoms, X represents oxygen or sulfur, hal represents chlorine or bromine and n represents an integer from 0 to 5.
Claim 3
Dependent Claim
14 words
A polymer composition of claim 1 wherein said compound is cyclohexane dimethylol bis-di-2-chloroethyl phosphate.
Claim 4
Dependent Claim
14 words
A polymer composition of claim 1 wherein R represents cycloalkylene and n is 0.
Claim 5
Dependent Claim
11 words
Composition of claim 1 wherein said polymer is an epoxy resin.
Claim 6
Dependent Claim
12 words
Composition of claim 1 wherein said polymer is a flexible urethane foam.
Claim 7
Dependent Claim
11 words
Composition of claim 1 wherein said polymer is a methacrylate polymer.
Claim 8
Dependent Claim
11 words
Composition of claim 1 wherein said polymer is a melamine/formaldehyde resin.
Claim 9
Dependent Claim
12 words
Composition of claim 1 wherein said polymer is a vinyl halide polymer.
Claim 10
Dependent Claim
13 words
A polymer composition of claim 8 wherein said compound is cyclohexanediol bis-di-2-chloroethyl phosphate.
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) | 1979-08-24 | 1980-02-23 | 1980-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-24 | 1984-02-23 | 1984-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-24 | 1988-02-23 | 1988-08-24 | $7700.00 | Window Closed / Lapsed |