US3073796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cured resin from epoxidized polybutadiene, unsaturated dicarboxylic acid anhydride and polyhydric alcohol
Assignee: FMC Corp
•
Filing: 1959-08-21
•
Granted: 1963-01-15
•
Expires: 1979-08-21
Abstract
No abstract record available.
Inventors
- 👤 Murray H Reich
- 👤 Nowlin Gene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:02
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C08C; C08C19/00; C08C19/30; C08C19/34; C08C19/40; C08F; C08F299/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A RESIN COMPOSITION CCOMPRISING THE REACTION PRODUCT OF AN EPOXIDIZED POLYBUTADIENE CONTAINING POLYMERIZABLE DOUBLE BONDS AND 1-10% BY WEIGHT OF EPOXY OXYGEN AND A CURING AGENT COMPRISING 0.5 TO 4 EQUIVALENTS PER EPOXY OXYGEN OF, IN COMBINATION, AN ALIPHATIC POLYHYDRIC ALCOHOL CONTAINING 2-6 CARBON ATOMS AND AN UNSATURATED POLYCARBOXYLIC ANHYDRIDE CONTAINING AT LEAST ONE POLYMERIZABLE DOUBLE BOND, SAID CURING AGENT CONTAINING 3-10 EQUIVALENTS OF ANHYDRIDE PER EQUIVALENT OF ALCOHOL, SAID EQUIVALENTS BEING CALCULATED ON THE BASIS THAT ONE EPOXY OXYGEN ATOM IS EQUIVALENT TO ONE HYDROXYL OR ONE CARBOXYL GROUP, AND 0.01-5% BY WEIGHT, BASED UPON THE CURING AGENT, OF AN ORGANIC PEROXIDE.
Claim 2
Dependent Claim
103 words
A RESIN COMPOSITION CCOMPRISING THE REACTION PRODUCT OF AN EPOXIDIZED POLYBUTADIENE CONTAINING POLYMERIZABLE DOUBLE BONDS AND 1-10% BY WEIGHT OF EPOXY OXYGEN AND A CURING AGENT COMPRISING 0.5 TO 4 EQUIVALENTS PER EPOXY OXYGEN OF, IN COMBINATION, AN ALIPHATIC POLYHYDRIC ALCOHOL CONTAINING 2-6 CARBON ATOMS AND AN UNSATURATED POLYCARBOXYLIC ANHYDRIDE CONTAINING AT LEAST ONE POLYMERIZABLE DOUBLE BOND, SAID CURING AGENT CONTAINING 3-10 EQUIVALENTS OF ANHYDRIDE PER EQUIVALENT OF ALCOHOL, SAID EQUIVALENTS BEING CALCULATED ON THE BASIS THAT ONE EPOXY OXYGEN ATOM IS EQUIVALENT TO ONE HYDROXYL OR ONE CARBOXYL GROUP, AND 0.01-5% BY WEIGHT, BASED UPON THE CURING AGENT, OF AN ORGANIC PEROXIDE.
References Cited (Backward Citations)
US2634256A
Cited
US2720500A
Cited
US2848433A
Cited
US2829135A
Cited
US2829130A
Cited
US2949441A
Cited
US2890195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |