Patent US4185219A successfully refreshed from Google Patents.
Patent US3592952A successfully refreshed from Google Patents.
US3592952A
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Blends of aromatic polyamide with aromatic polyamide-acid and/or polyimide
Assignee: EIDP Inc
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Filing: 1968-02-27
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Granted: 1971-07-13
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Expires: 1988-02-27
Abstract
Abstract BLEND OF A MAJOR AMOUNT OF AROMATIC POLYAMIDE AND A MINOR AMOUNT OF AN AROMATIC POLYAMIDE-ACID AND-OR POLYIMIDE, USEFUL AS A COATING HAVING EXCELLENT ADHESION, HIGH IMPACT RESISTANCE AND LOW SOLVENT CRAZING.
Inventors
- 👤 James C Fang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:02
CPC Classifications
C; C08; C08L; C08L77/00; C08L77/10; C09; C09D; C09D177/00; C09D177/10; Y; Y10; Y10S; Y10S525/00; Y10S525/928
Claims Analysis
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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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |