US2987499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymerizable compositions comprising unsaturated polyester resins and nvinyl pyrroliones
Assignee: GAF Chemicals Corp
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Filing: 1957-08-05
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Granted: 1961-06-06
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Expires: 1977-08-05
Abstract
No abstract record available.
Inventors
- 👤 Werner Jesse
- 👤 Steckler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:39
CPC Classifications
C; C08; C08L; C08L67/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A POLYMERIZABLE COMPOSITION HAVING IMPROVED ADHESION TO GLASS LAMINATES COMPRISING A MIXTURE OF AN UNSATURATED POLYESTER HAVING AN ACID NUMBER OF 5 TO 54 OBTAINED BY REACTING A DIHYDRIC ALCOHOL AND A DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS, ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID ANHYDRIDES AND MIXTURES OF ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS, ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID ANHYDRIDES AND SATURATED DICARBOXYLIC ACIDS, 5 TO 20% BY WEIGHT OF SAID POLYESTER OF A POLYMERIZABLE MONOMER HAVING THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
82 words
A POLYMERIZABLE COMPOSITION HAVING IMPROVED ADHESION TO GLASS LAMINATES COMPRISING A MIXTURE OF AN UNSATURATED POLYESTER HAVING AN ACID NUMBER OF 5 TO 54 OBTAINED BY REACTING A DIHYDRIC ALCOHOL AND A DICARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS, ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID ANHYDRIDES AND MIXTURES OF ETHYLENICALLY UNSATURATED DICARBOXYLIC ACIDS, ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID ANHYDRIDES AND SATURATED DICARBOXYLIC ACIDS, 5 TO 20% BY WEIGHT OF SAID POLYESTER OF A POLYMERIZABLE MONOMER HAVING THE FOLLOWING GENERAL 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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |