US2888368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrocellulose type coatings for cellulosic base films
Assignee: Akzo Nobel UK PLC
•
Filing: 1954-12-27
•
Granted: 1959-05-26
•
Expires: 1974-12-27
Abstract
No abstract record available.
Inventors
- 👤 William G Grantham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:36
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/048; C08J7/052; C08J2301/00; C08J2301/06; C08J2401/00; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2822; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A METHOD OF REDUCING BLOCKING ON A REGENERATED CELLULOSE FILM COATED WITH NITROCELLULOSE COMPRISING COATING REGENERATED CELLULOSE WITH A NITROCELLULOSE LACQUER CONTAINING AN ANTI-BLOCKING AGENT COMPRISING ABOUT 0.2 TO ABOUT 2% BY WEIGHT OF LACQUER SOLIDS OF A STYRENEBUTADIENE COPOLYMER WHICH IS PREDOMINANTLY STYRENE.
Claim 2
Independent Claim
44 words
A METHOD OF REDUCING BLOCKING ON A REGENERATED CELLULOSE FILM COATED WITH NITROCELLULOSE COMPRISING COATING REGENERATED CELLULOSE WITH A NITROCELLULOSE LACQUER CONTAINING AN ANTI-BLOCKING AGENT COMPRISING ABOUT 0.2 TO ABOUT 2% BY WEIGHT OF LACQUER SOLIDS OF A STYRENEBUTADIENE COPOLYMER WHICH IS PREDOMINANTLY STYRENE.
References Cited (Backward Citations)
US1997105A
Cited
US2273880A
Cited
US2477316A
Cited
US2523868A
Cited
US2533557A
Cited
US2770555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |