US2879249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hardenable mixtures of unsaturated polyesters and polymerizable ethylene derivativesand process of making
Assignee: Bayer AG
•
Filing: 1955-12-23
•
Granted: 1959-03-24
•
Expires: 1975-12-23
Abstract
No abstract record available.
Inventors
- 👤 Raichle Karl
- 👤 Schnell Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:22
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/553; C08G63/66; C08G63/668; C08G63/676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A HARDENABLE MIXTURE COMPRISING A POLYMERIZABLE MONTOMERIC ETHYLENE DERIVATIVE AND AN UNSATURATED POLYESTER RESIN DERIVED FROM THE POLYCONDENSATION OF AT LEAST ONE DIHYDRIC ALCOHOL WITH AT LEAST ONE DICARBOXYLIC ACID, AT LEAST 20% BY WEIGHT OF THE DIHYDRIC ALCOHOL RADICAL CONTENT OF SAID UNSATURATED POLYSTER RESIN BEING DERVIED FROM A DIHYDROXY-DICYCLOHEXYLALKANE AND AT LEAST 10% BY WEIGHT OF THE DICARBOXYLIC ACID RADICAL CONTENT OF SAID UNSATURATED POLYSTER RESIN BEING DERIVED FROM AN A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID.
Claim 2
Dependent Claim
76 words
A HARDENABLE MIXTURE COMPRISING A POLYMERIZABLE MONTOMERIC ETHYLENE DERIVATIVE AND AN UNSATURATED POLYESTER RESIN DERIVED FROM THE POLYCONDENSATION OF AT LEAST ONE DIHYDRIC ALCOHOL WITH AT LEAST ONE DICARBOXYLIC ACID, AT LEAST 20% BY WEIGHT OF THE DIHYDRIC ALCOHOL RADICAL CONTENT OF SAID UNSATURATED POLYSTER RESIN BEING DERVIED FROM A DIHYDROXY-DICYCLOHEXYLALKANE AND AT LEAST 10% BY WEIGHT OF THE DICARBOXYLIC ACID RADICAL CONTENT OF SAID UNSATURATED POLYSTER RESIN BEING DERIVED FROM AN A,B-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID.
References Cited (Backward Citations)
US2118954A
Cited
US2742445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |