US3214291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl alcohol film coated with vinylidene chloride-acrylonitrile copolymer
Assignee: Airco Inc
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Filing: 1962-02-15
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Granted: 1965-10-26
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Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Daniel S Dixler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:27
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/08; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/046; C08J7/048; C09D129/00; C08J2329/00; C08J2329/02; C08J2329/04; C08J2427/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31667; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A COATED FILM COMPRISING A POLYVINYL ALCOHOL BASE SHEET COATED ON AT LEAST ONE SIDE WITH A COPOLYMER OF 70 TO 95% VINYLIDENE CHLORIDE AND 5 TO 30% ACRYLONITRILE CONTAINING FROM ABOUT 0.1 TO 1% OF A HYDROCARBON-SUBSTITUTED POLYSILOXANE BASED ON THE WEIGHT OF SAID COPOLYMER.
Claim 2
Dependent Claim
46 words
A COATED FILM COMPRISING A POLYVINYL ALCOHOL BASE SHEET COATED ON AT LEAST ONE SIDE WITH A COPOLYMER OF 70 TO 95% VINYLIDENE CHLORIDE AND 5 TO 30% ACRYLONITRILE CONTAINING FROM ABOUT 0.1 TO 1% OF A HYDROCARBON-SUBSTITUTED POLYSILOXANE BASED ON THE WEIGHT OF SAID COPOLYMER.
References Cited (Backward Citations)
US2884388A
Cited
US2990391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |