Patent US2865879A successfully refreshed from Google Patents.
US2865879A
Expired / Lapsed
US
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Combined acetonitrile and aromatic hydrocarbon solvent solution of a vinyl chloride-vinyl acetate copolymer
Assignee: American Marietta Co
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Filing: 1956-02-09
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Granted: 1958-12-23
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Expires: 1976-02-09
Abstract
No abstract record available.
Inventors
- 👤 Gerald P Roeser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:05
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A RESIN COMPOSITION COMPRISING A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE CONTAINING A MAJOR PROPORTION BY WEIGHT OF VINYL CHLORIDE, SAID COPOLYMER BEING DISSOLVED IN A SOLVENT COMPOSITION CONSISTING ESSENTIALLY OF ACETONITRILE AND LIQUID AROMATIC HYDROCARBON SOLVENT, SAID ACETONITRILE BEING PRESENT IN SAID MIXTURE OF ACETONITRILE AND LIQUID AROMATIC HYDROCARBON SOLVENT IN PROPORTIONS OF FROM SUBSTANTIALLY 5% TO 65% BY WEIGHT.
Claim 2
Dependent Claim
62 words
A RESIN COMPOSITION COMPRISING A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE CONTAINING A MAJOR PROPORTION BY WEIGHT OF VINYL CHLORIDE, SAID COPOLYMER BEING DISSOLVED IN A SOLVENT COMPOSITION CONSISTING ESSENTIALLY OF ACETONITRILE AND LIQUID AROMATIC HYDROCARBON SOLVENT, SAID ACETONITRILE BEING PRESENT IN SAID MIXTURE OF ACETONITRILE AND LIQUID AROMATIC HYDROCARBON SOLVENT IN PROPORTIONS OF FROM SUBSTANTIALLY 5% TO 65% BY WEIGHT.
References Cited (Backward Citations)
US2706185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |