Patent US3247284A successfully refreshed from Google Patents.
US3247284A
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US
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Compositions comprising epoxidized polybutadiene, polycarboxylic anhydride, polyhydric alcohol and a vinyl aromatic monomer
Assignee: FMC Corp
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Filing: 1960-01-14
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Granted: 1966-04-19
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Expires: 1980-01-14
Abstract
No abstract record available.
Inventors
- 👤 Charles A Heiberger
- 👤 Murray H Reich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:50
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
88 words
A CURABLE RESIN COMPOSITION COMPRISING AN EPOXIDIZED POLYBUTADIENE CONTAINING POLYMERIZABLE DOUBLE BONDS AND 1 TO 15% BY WEIGHT OF EPOXY OXYGEN; ABOUT 0.5 TO 4 EQUIVALENTS PER EPOXY OXYGEN OF, IN COMBINATION, AN ALIPHATIC POLYHYDRIC ALCOHOL, AND A DICARBOXYLIC ANHYDRIDE CONTAINING A POLYMERIZABLE DOUBLE BOND, SAID EQUIVALENTS OF ALCOHOL AND ANHYDRIDE BEING CALCULATED ON THE BASIS THAT ONE EPOXY OXYGEN ATOM IS EQUJIVALENT TO ONE HYDROXYL AND TO ONE CARBOXY GROUP; 5 TO 50 PARTS, PER 100 PARTS OF EPOXIDIZED POLYBUTADIENE, OF A VINYL MONOMER OF THE FORMULA
Claim 2
Dependent Claim
88 words
A CURABLE RESIN COMPOSITION COMPRISING AN EPOXIDIZED POLYBUTADIENE CONTAINING POLYMERIZABLE DOUBLE BONDS AND 1 TO 15% BY WEIGHT OF EPOXY OXYGEN; ABOUT 0.5 TO 4 EQUIVALENTS PER EPOXY OXYGEN OF, IN COMBINATION, AN ALIPHATIC POLYHYDRIC ALCOHOL, AND A DICARBOXYLIC ANHYDRIDE CONTAINING A POLYMERIZABLE DOUBLE BOND, SAID EQUIVALENTS OF ALCOHOL AND ANHYDRIDE BEING CALCULATED ON THE BASIS THAT ONE EPOXY OXYGEN ATOM IS EQUJIVALENT TO ONE HYDROXYL AND TO ONE CARBOXY GROUP; 5 TO 50 PARTS, PER 100 PARTS OF EPOXIDIZED POLYBUTADIENE, OF A VINYL MONOMER OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |