US3798289A
Expired / Lapsed
US
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Vinyl halide polymer-olefin copolymer alloys
Assignee: Union Carbide Corp
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Filing: 1971-12-10
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Granted: 1974-03-19
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Expires: 1991-12-10
Abstract
Abstract COMPATIBLE ALLOYS OR BLENDS OF AT LEAST ONE VINYL HALIDE POLYMER AND AT LEAST ONE COPOLYMER OF AN OLEFIN AND A NITROGEN-CONTAINING COMONOMER HAVING A BASIC CHARACTERISTIC ARE PRODUCED; E.G. AN ALLOY OF POLY(VINYL CHLORIDE) AND A COPOLYMER OF ETHYLENE AND N-METHYL-N-VINYLACETAMIDE OR N,N-DIMETHYLACRYLAMIDE.
Inventors
- 👤 J Mcgrath
- 👤 M Matzner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:47
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/025; C08L27/00; C08L27/02; C08L27/04; C08L23/04; C08L23/08
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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |