Patent US3826774A successfully refreshed from Google Patents.
US3826774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous compositions based on polyvinylidene fluoride
Assignee: Solvay SA
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Filing: 1972-12-13
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Granted: 1974-07-30
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Expires: 1992-12-13
Abstract
Abstract THE INVENTION RELATES TO RESINOUS COMPOSITIONS BASED ON POLY(VINYLIDINE FLUORIDE) COMPRISING FROM 30 TO 55% BY WEIGHT OF A POLYAMIDE OF HIGH MOLECULAR WEIGHT RESULTING FROM THE POLYCONDENSATION OF TEREPHTHALIC ACID AND AT LEAST ONE BRANCHED DIAMINE CONTAINING 6 CARBON ATOMS IN ITS MAIN CHAIN. THE RESINOUS COMPOSITIONS HAVE HIGHER IMPACT STRENGTH THAN POLY(VINYLIDENE FLUORIDE).
Inventors
- 👤 E Demillecamps
- 👤 G Danguy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:26
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/16; C08L77/00; C08L77/06; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22
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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |