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US3562787A
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Film-forming composition
Assignee: EIDP Inc
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Filing: 1966-12-22
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Granted: 1971-02-09
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Expires: 1986-12-22
Abstract
Abstract A LIQUID FILM-FORMING COMPOSITION CONTAINING A POLYAMIDE-IMIDE POLYMER IN SOLUTION IN AN ORGANIC LIQUID AND CONTAINING A MONOFUNCTIONAL CYCLIC ANHYDRIDE, AN AROMATIC OR ALIPHATIC ALDEHYDE OR A MONFUNCTIONAL ISOCYANATE TO PREVENT THE COMPOSITION FROM UNDERGOING ANY UNDUE INCREASE IN VISCOSITY BEFORE IT CAN BE APPLIED TO A SUBSTRATE UNDER NORMAL USE CONDITIONS IN THE MANUFACTURE OF HEAT-RESISTANT POLYMERIC FILMS AND COATED ARTICLES.
Inventors
- 👤 Arthur B Naselow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:59
CPC Classifications
C; C08; C08L; C08L79/00; C08L79/04; C08L79/08; C08L79/085; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/64; C08G18/6415; C08G18/6438; C08G18/70; C08G18/71; C08K; C08K5/00; C08K5/04; C08K5/09
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |