US3157530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating regenerated cellulose film and process for making same
Assignee: EIDP Inc
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Filing: 1961-11-02
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Granted: 1964-11-17
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Expires: 1981-11-02
Abstract
No abstract record available.
Inventors
- 👤 Kane William Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:13
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/02; C09D123/025; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/046; C08J7/052; C08J2301/00; C08J2301/06; C08J2423/00; C08J2423/02; C08J2423/04; C08J2423/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31591; Y10T428/31594; Y10T428/31826; Y10T428/31833; Y10T428/31841; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A REGENERATED CELLULOSE FILM IMPREGNATED WITH A THERMO-SET RESIN HAVING AT LEAST ONE SURFACE COATED WITH A COMPOSITION CONSISTING ESSENTIALLY OF 80-99% OF A POLYHYDROCARBON PREPARED BY POLYMERIZING AT LEAST ONE ETHYLENICALLY UNSATURATED ALPHA OLEFIN, 0.5-10% OF A COMPOUND HAVING A PLURALITY OF -N=C=X GROUPS WHEREIN X IS A CHALCOGEN OF ATOMIC WEIGHT LESS THAN 35, AND 0.5-10% OF A CYCLIZED NATURAL RUBBER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |