Patent US3780140A successfully refreshed from Google Patents.
US3780140A
Expired / Lapsed
US
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Ethylene/carbon monoxide polymer compositions
Assignee: EIDP Inc
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Filing: 1971-08-06
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Granted: 1973-12-18
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Expires: 1991-08-06
Abstract
Abstract COPOLYMERS OF CERTAIN AMOUNTS OF ETHYLENE, CARBON MONOXIDE AND ONE OR MORE TERMONOMERS COPOLYMERIZABLE THEREWITH TO PRODUCE SOLID PRODUCTS. THE COPOLYMERS ARE USEFUL AS MOLDING RESINS AND AS BLENDING RESINS. BLENDS OF THESE COPOLYMERS WITH SOLID ORGANIC POLYMERS SUCH AS POLYVINYL CHLORIDE WAX, ETC., ARE COMPATIBLE AND ARE USEFUL AS MOLDING RESINS. THESE BLENDS MAY BE USED, FOR EXAMPLE, TO PRODUCE FLEXIBLE FILMS AND RIGID OR SEMIRIGID ARTICLES.
Inventors
- 👤 C Hammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:52
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/08; C08G; C08G67/00; C08G67/02; C08L101/00; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L73/00
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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |