US3356760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous material containing an aromatic polyimide, a fluorocarbon polymer and a polyamide
Assignee: EIDP Inc
•
Filing: 1967-03-16
•
Granted: 1967-12-05
•
Expires: 1987-03-16
Abstract
No abstract record available.
Inventors
- 👤 Matray Attila
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:28
CPC Classifications
C; C08; C08L; C08L79/00; C08L79/04; C08L79/08; C08L27/00; C08L27/02; C08L77/00; Y; Y10; Y10S; Y10S428/00; Y10S428/902; Y10S525/00; Y10S525/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A COMPOSITION OF MATTER COMPRISING, AS THREE ESSENTIAL COMPONENTS, (1) 60-87.5 PARTS BY WEIGHT OF A POLYAMIDE-ACID OF A DIAMINE OF THE FORMULA H2N-R''-NH2 WHERE R'' IS ARYLENE AND A TETRACARBOXYLIC ACID DIANHYDRIDE OF THE FORMULA
Claim 2
Dependent Claim
36 words
A COMPOSITION OF MATTER COMPRISING, AS THREE ESSENTIAL COMPONENTS, (1) 60-87.5 PARTS BY WEIGHT OF A POLYAMIDE-ACID OF A DIAMINE OF THE FORMULA H2N-R''-NH2 WHERE R'' IS ARYLENE AND A TETRACARBOXYLIC ACID DIANHYDRIDE OF THE 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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |