US3558582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorinated polyvinylidene fluoride
Assignee: Chevron USA Inc
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Filing: 1967-11-13
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Granted: 1971-01-26
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Expires: 1987-11-13
Abstract
Abstract CHLORINATED NORMALLY SOLID POLYVINYLIDENE FLOURIDE CONTAINING ABOUT 2 TO 35% BY WEIGHT CHLORINE. THESE CHLORINATED POLYMERS ARE CLEARER THAN UNCHLORINATED POLYVINYLIDENE FLUORIDE. THEY ALSO ADHERE BETTER TO METALS THAN THE UNCHLORINATED MATERIAL. THEY ARE USEFUL FOR MAKING SHAPED OBJECTS AND LAMINATES.
Inventors
- 👤 Robert Bacskai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:44
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/18; C08F8/20; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |