US3092608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curing epoxidized polybutadiene with a dicarboxylic anhydride, aromatic vinylidene monomer, and free radical polymerization initiator
Assignee: FMC Corp
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Filing: 1960-01-21
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Granted: 1963-06-04
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Expires: 1980-01-21
Abstract
No abstract record available.
Inventors
- 👤 Murray H Reich
- 👤 Charles A Heiberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:24
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C08F; C08F279/00; C08F279/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A CURABLE RESIN COMPOSITION COMPRISING AN EPOXIDIZED POLYBUTADIENE CONTAINING POLYMERIZABLE DOUBLE BONDS AND 1-15% BY WEIGHT OF EPOXY OXYGEN; ABOUT 0.5 TO 3 EQUIVALENTS PER EPOXY OXYGEN OF A DICARBOXYLIC ANHYDRIDE, OF WHICH AT LEAST 5% BY WEIGHT IS A DICARBOXYLIC ANHYDRIDE CONTAINING A POLYMERIZABLE OLEGINIC DOUBLE BOND; 5 TO 50 PARTS, PER 100 PARTS OF EPOXIDIZED POLYBUTADIENE, OF A MONOMER OF THE FORMULA
Claim 2
Dependent Claim
64 words
A CURABLE RESIN COMPOSITION COMPRISING AN EPOXIDIZED POLYBUTADIENE CONTAINING POLYMERIZABLE DOUBLE BONDS AND 1-15% BY WEIGHT OF EPOXY OXYGEN; ABOUT 0.5 TO 3 EQUIVALENTS PER EPOXY OXYGEN OF A DICARBOXYLIC ANHYDRIDE, OF WHICH AT LEAST 5% BY WEIGHT IS A DICARBOXYLIC ANHYDRIDE CONTAINING A POLYMERIZABLE OLEGINIC DOUBLE BOND; 5 TO 50 PARTS, PER 100 PARTS OF EPOXIDIZED POLYBUTADIENE, OF A MONOMER OF THE FORMULA
References Cited (Backward Citations)
US2781333A
Cited
US2829135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |