US3103497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blend of vinylidene cyanide
Assignee: —
•
Filing: 1957-08-15
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Granted: 1963-09-10
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Expires: 1977-08-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:23
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/06; C08L25/08; C08L25/10; C08L31/00; C08L31/02; C08L31/04; C08L35/00; C08L35/04; C08L39/00; C08L39/04; C08L39/08; D; D01; D01F; D01F6/00; D01F6/44; D01F6/54; C08J2333/00; C08J2333/18; C08J2333/20; C08L9/00; Y; Y10; Y10S; Y10S525/00; Y10S525/942; Y10S8/00; Y10S8/09; Y10S8/10; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A NEW COMPOSITTION OF MATTER COMPRISING 85 TO 91 PERCENT BY WEIGHT EQUIMOLAR VINYLIDENE CYANIDE:VINYL ACETATE COPOLYMER WITH 15 TO 9 PERCENT BY WEIGHT OF A POLYMER MADE FROM A MONOMERIC MIXTURE CONTAINING AT LEAST 60 MOL PERCENT OF 4-VINYL PYRIDINE AND FROM 0 TO 40 MOLE PERCENT OF A DIFFERENT MONOOLEFINIC MONOMER COPOLYMERIZABLE WITH SAID 4-VINYL PYRIDINE AND SELECTED FROM THE CLASS CONSISTING OF STYRENE, ALPHA-METHYL STYRENE, ACRYLONITRILE, VINYL TOLUENE, VINYL ACETATE AND METHYL METHACRYLATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |