Patent US3682850A successfully refreshed from Google Patents.
US3682850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulosic esters of two organic acids blended with a copolymer of ethylene and at least one ethylenically unsaturated ester of a saturated fatty acid
Assignee: EIDP Inc
•
Filing: 1970-07-30
•
Granted: 1972-08-08
•
Expires: 1990-07-30
Abstract
Abstract A THERMOPLASTIC COMPOSITION CAPABLE OF FORMING COMPATIBLE FILMS COMPRISING A BLEND OF A CELLULOSIC ESTER OF TWO ORGANIC ACIDS WITH A COPOLYMER OF ETHYLENE AND AT LEAST ONE ETHYLENICALLY UNSATURATED ESTER OF A FATTY ACID, A LACQUER COMPRISING AN ORGANIC SOLVENT SOLUTION OF THE COMPOSITION, AND A MATERIAL HAVING THE COMPOSITION COATED THEREON ARE PROVIDED.
Inventors
- 👤 John Stuart Coates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:11
CPC Classifications
C; C08; C08L; C08L1/00; C08L1/08; C08L1/10; C08L1/14; C09; C09D; C09D131/00; C09D131/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |