US3280061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising (1) polyvinyl acetate, (2) the glyceryl of maleic anhydride treated rosin, (3) wax, and (4) a particulate antiblocking agent
Assignee: EIDP Inc
•
Filing: 1964-03-03
•
Granted: 1966-10-18
•
Expires: 1984-03-03
Abstract
No abstract record available.
Inventors
- 👤 Favreau Robert Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:31
CPC Classifications
C; C09; C09D; C09D155/00; C09D155/04; C09D131/00; C09D131/02; C09D131/04; C08; C08L; C08L91/00; C08L91/06; C08L93/00; C08L93/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31844; Y10T428/31848; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A COATING COMPOSITION FOR REGENERATED CELLULOSE FILM CONSISTING ESSENTIALLY OF ABOUT 60-92% BY WEIGHT OF POLYVINYL ACETATE HOMOPOLYMER, ABOUT 5 TO 35% BY WEIGHT OF THE GLYCERYL ESTER OF MALEIC ANHYDRIDE TREATED ROSIN, ABOUT 0.1 TOO 6% BY WEIGHT OF A WAX AND ABOUT 0.1 TO 1% BY WEIGHT OF A PARTICULATE ANTIBLOCKING AGENT
Claim 2
Dependent Claim
54 words
A COATING COMPOSITION FOR REGENERATED CELLULOSE FILM CONSISTING ESSENTIALLY OF ABOUT 60-92% BY WEIGHT OF POLYVINYL ACETATE HOMOPOLYMER, ABOUT 5 TO 35% BY WEIGHT OF THE GLYCERYL ESTER OF MALEIC ANHYDRIDE TREATED ROSIN, ABOUT 0.1 TOO 6% BY WEIGHT OF A WAX AND ABOUT 0.1 TO 1% BY WEIGHT OF A PARTICULATE ANTIBLOCKING AGENT
References Cited (Backward Citations)
GB595005A
Cited
USRE23164E
Cited
US2555274A
Cited
US2772247A
Cited
US2720496A
Cited
US3057756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |