US3585254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-extinguishing polyester resins and process therefor
Assignee: Reichhold Chemicals Inc
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Filing: 1969-11-18
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Granted: 1971-06-15
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Expires: 1989-11-18
Abstract
Abstract A POLYMERIZABLE BLEND OF (A) A POLYMERIZABLE LINEAR POLYESTER RESIN AND (B) A POLYMERIZABLE MONOMER CONTAINING A TERMINAL ETHYLENIC UNSATURATION; AND THE PROCESS OF MAKING SAME. (A) IS PREPARED BY REACTING A GLYCOL OF THE C2-C10 RANGE WITH A CYCLOOLEFINIC ACID, BROMINATING THE POLYESTER THUS FORMED AND REACTING RESULTANT PRODUCT WITH AN ALPHABETA UNSATURATED DICARBOXYLIC ACID TO AN ACID VALUE OF 30 OR LESS.
Inventors
- 👤 Donald A Buck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:35
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/91; C08G63/914; C08G63/918; C08G63/66; C08G63/668; C08G63/676; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828; Y; Y10; Y10S; Y10S521/00; Y10S521/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |