Patent CA501374A successfully refreshed from Google Patents.
US3845162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage-stable moulding and coating compositions
Assignee: Bayer AG
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Filing: 1973-08-15
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Granted: 1974-10-29
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Expires: 1993-08-15
Abstract
Abstract 1. A CURABLE STORAGE-STABLE COMPOSITION COMPRISING A MIXTURE OF (A) AN ESSENTIALLY LINEAR POLYESTER OBTAINED BY CONDENSATION OF A POLYOL WITH AN ACID COMPONENT CONTAINING AN A,B-UNSATURATED DICARBOXYLIC ACID OR ITS ESTER OR ITS ANHYDRIDE OR A MIXTURE THEREOF, SAID POLYESTER CONTAINING A CONVENTIONAL STABILIZER; (B) A VINYL MONOMER COPOLYMERIZABLE WITH THE POLYESTER; (C) AN A-HYDROXY KETONE OR A BENZOIN ETHER OF A PRIMARY ALCOHOL; OR A MIXTURE THEREOF AND; (D) AT LEAST ONE AT LEAST DIBASIC ACID OF PHOSPHOROUS HAVING P-OH- ACIDITY OR PARTIAL ESTERS THEREOF CONTAINING AT LEAST TWO (P) -OH GROUPS.
Inventors
- 👤 B Hess
- 👤 K Raichle
- 👤 H Rudolph
- 👤 K Fuhr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/32; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A CURABLE STORAGE-STABLE COMPOSITION COMPRISING A MIXTURE OF (A) AN ESSENTIALLY LINEAR POLYESTER OBTAINED BY CONDENSATION OF A POLYOL WITH AN ACID COMPONENT CONTAINING AN A,B-UNSATURATED DICARBOXYLIC ACID OR ITS ESTER OR ITS ANHYDRIDE OR A MIXTURE THEREOF, SAID POLYESTER CONTAINING A CONVENTIONAL STABILIZER; (B) A VINYL MONOMER COPOLYMERIZABLE WITH THE POLYESTER; (C) AN A-HYDROXY KETONE OR A BENZOIN ETHER OF A PRIMARY ALCOHOL; OR A MIXTURE THEREOF AND; (D) AT LEAST ONE AT LEAST DIBASIC ACID OF PHOSPHOROUS HAVING P-OH- ACIDITY OR PARTIAL ESTERS THEREOF CONTAINING AT LEAST TWO (P) -OH GROUPS.
Claim 2
Dependent Claim
93 words
A CURABLE STORAGE-STABLE COMPOSITION COMPRISING A MIXTURE OF (A) AN ESSENTIALLY LINEAR POLYESTER OBTAINED BY CONDENSATION OF A POLYOL WITH AN ACID COMPONENT CONTAINING AN A,B-UNSATURATED DICARBOXYLIC ACID OR ITS ESTER OR ITS ANHYDRIDE OR A MIXTURE THEREOF, SAID POLYESTER CONTAINING A CONVENTIONAL STABILIZER; (B) A VINYL MONOMER COPOLYMERIZABLE WITH THE POLYESTER; (C) AN A-HYDROXY KETONE OR A BENZOIN ETHER OF A PRIMARY ALCOHOL; OR A MIXTURE THEREOF AND; (D) AT LEAST ONE AT LEAST DIBASIC ACID OF PHOSPHOROUS HAVING P-OH- ACIDITY OR PARTIAL ESTERS THEREOF CONTAINING AT LEAST TWO (P) -OH GROUPS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |