US3761430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a polyimide reaction product and filled composition made therefrom
Assignee: General Electric Co
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Filing: 1971-10-07
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Granted: 1973-09-25
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Expires: 1991-10-07
Abstract
Abstract POLYIMIDES PREPARED FROM THE REACTION OF UNSATURATED BISMIDES AND POLYAMINES ARE PROVIDED WHICH HAVE GOOD FLOW CHARACTERISTICS, ARE READILY WORKABLE AND AR CHARACTERIZED BY GOOD ELECTRICAL AND PHYSICAL PROPERTIES INCLUDING GOOD COMPRESSIVE STRENGHT, RESISTANCE TO HUMIDITY AND ELEVATED TEMPERATURES.
Inventors
- 👤 J Witzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:23
CPC Classifications
C; C08; C08L; C08L79/00; C08L79/04; C08L79/08; C08L79/085; Y; Y10; Y10S; Y10S524/00; Y10S524/907; Y10S525/00; Y10S525/929
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |