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US3764640A
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A process of making phosphorus and halogen containing polyols
Assignee: Knapsack AG
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Filing: 1971-07-15
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Granted: 1973-10-09
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Expires: 1991-07-15
Abstract
Abstract the substituents R3 and R4, respectively, in formulae (II) and (III) standing for a hydrogen atom or a hydrocarbon radical having from one to six carbon atoms and being halogensubstituted, if desired, and m stands for a number of between 1 and 10. and R2 stands for a radical of general formula (III) in which n stands for a number of between 0 and 4, R1 stands for at least one halogenated hydrocarbon radical and at least one hydroxylated radical of general formula (II) The invention provides phosphorus and halogen-containing polyols of general formula (I)
Inventors
- 👤 W Klose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:40
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5337; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/093; C08G; C08G79/00; C08G79/02; C08G79/04; C08K5/52; C08K5/521
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
25 words
The process as claimed in claim 1, wherein the reaction product of general formula (I) is obtained in combination with compounds of general formula (V)
Claim 2
Dependent Claim
24 words
The process as claimed in claim 1, wherein the first step reaction is carried out at a temperature of between about 50* and 100*C.
Claim 3
Dependent Claim
17 words
The process as claimed in claim 1, wherein the epoxide is ethylene oxide, propylene oxide or epichlorhydrin.
References Cited (Backward Citations)
US3099676A
Cited
US3309427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |