US2912409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous chlorine containing polyester, fire proof plastic therefrom, and process for producing same
Assignee: Bayer AG
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Filing: 1955-11-16
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Granted: 1959-11-10
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Expires: 1975-11-16
Abstract
No abstract record available.
Inventors
- 👤 Gunther Nischk
- 👤 Karl E Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:25
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/68; C08G18/683; C08G18/686; C08G18/40; C08G18/42; C08G18/46; C08G18/4607; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/56; C08G63/58; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A FIREPROOF PLASTIC OBTAINED BY REACTING A POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER WITH AN ETHYLENICALLY UNSATURATED RESINOUS POLYESTER CONTAINING ABOUT 20% TO ABOUT 50% BY WEIGHT OF CHEMICALLY CONBINED CHLORINE, SAID POLYESTER HAVING BEEN OBTAINED BY THE THERMAL ESTERIFICATION OF A MIXTURE OF (1) A POLYCARBOXYLIC ACID CONTAINING ONLY HYDROGEN, CARBON AND OXYGEN, (2) AT LEAST ONE CHLORINATED POLYCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF TETRACHLOROPHTHALIC ACID, HEXACHLORO-ENDOMETHYLLENE-TETRADROPHTHALIC ACID AND THEIR ANHYDRIDES, (3) A POLYHYDRIC ALCOHOL CONTAINING ONLY HYDROGEN, CARBON AND OXYGEN AND HAVING NO MORE THAN THREE HYDROXYL GROUPS AND (4) AT LEAST ONE CHLORINATD POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PENTACHLOROPHENYL MONOGLYCERINE ETHER, TETRACHLOROPHENYL MONOGLYCERINE AND ETHER TRICHLOROPHENYL MONOGLYCERINE ETHER, THE MOLAR RATIO OF CHLORINATED ACID TO CHLORINATED ALCOHOL BEING WITHIN THE RANGE OF ABOUT 1:4 TO ABOUT 3:1 AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF SAID POLYCARBOXYLIC ACID CONTAINING ONLY HYDROGEN, CARBON AND OXYGEN AND SAID POLYHYDRIC ALCOHOL CONTAINING ONLY HYDROGEN, CARBON AND OXYGEN BEING ETHYLENICALLY UNSATURATED.
Claim 2
Dependent Claim
165 words
A FIREPROOF PLASTIC OBTAINED BY REACTING A POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER WITH AN ETHYLENICALLY UNSATURATED RESINOUS POLYESTER CONTAINING ABOUT 20% TO ABOUT 50% BY WEIGHT OF CHEMICALLY CONBINED CHLORINE, SAID POLYESTER HAVING BEEN OBTAINED BY THE THERMAL ESTERIFICATION OF A MIXTURE OF (1) A POLYCARBOXYLIC ACID CONTAINING ONLY HYDROGEN, CARBON AND OXYGEN, (2) AT LEAST ONE CHLORINATED POLYCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF TETRACHLOROPHTHALIC ACID, HEXACHLORO-ENDOMETHYLLENE-TETRADROPHTHALIC ACID AND THEIR ANHYDRIDES, (3) A POLYHYDRIC ALCOHOL CONTAINING ONLY HYDROGEN, CARBON AND OXYGEN AND HAVING NO MORE THAN THREE HYDROXYL GROUPS AND (4) AT LEAST ONE CHLORINATD POLYHYDRIC ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PENTACHLOROPHENYL MONOGLYCERINE ETHER, TETRACHLOROPHENYL MONOGLYCERINE AND ETHER TRICHLOROPHENYL MONOGLYCERINE ETHER, THE MOLAR RATIO OF CHLORINATED ACID TO CHLORINATED ALCOHOL BEING WITHIN THE RANGE OF ABOUT 1:4 TO ABOUT 3:1 AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF SAID POLYCARBOXYLIC ACID CONTAINING ONLY HYDROGEN, CARBON AND OXYGEN AND SAID POLYHYDRIC ALCOHOL CONTAINING ONLY HYDROGEN, CARBON AND OXYGEN BEING ETHYLENICALLY UNSATURATED.
References Cited (Backward Citations)
US2606910A
Cited
US2779701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |