US3769371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorocarbon polymer blend and vulcanizates thereof
Assignee: EIDP Inc
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Filing: 1969-10-23
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Granted: 1973-10-30
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Expires: 1989-10-23
Abstract
Abstract AN ELASTOMER COMPRISING A BLEND OF 2-50 PARTS BY WEIGHT OF POLY(VINYLIDENE FLUORIDE) WITH 100 PARTS BY WEIGHT OF A SATURATED ELASTOMERIC COPOLYMER OF VINYLIDENE FLUORIDE AND AT LEAST ONE OTHER ETHYLENICALLY UNSATURATED FLUORINATED MONOMER. THESE ELASTOMERIC COMPOSITIONS EXHIBIT ENHANCED CURABILITY, AND VULCANIZATES THEREFROM HAVE IMPROVED PHYSICAL PROPERTIES.
Inventors
- 👤 A Nersasian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/159; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/16; C08L27/20
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) | 1976-10-29 | 1977-04-30 | 1977-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-29 | 1981-04-30 | 1981-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-29 | 1985-04-30 | 1985-10-30 | $7700.00 | Window Closed / Lapsed |