US2823141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating regenerated cellulose film with resin and resulting product
Assignee: Olin Corp
•
Filing: 1953-05-08
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Granted: 1958-02-11
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Expires: 1973-05-08
Abstract
No abstract record available.
Inventors
- 👤 Hagan Lamont
- 👤 George R Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:45
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C08J7/065; C08J7/043; C08J7/052; C08J2301/00; C08J2301/06; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/2835; Y10T428/2843; Y10T428/2852; Y10T428/2878; Y10T428/2891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN A PROCESS OF PRODUCING A MOISTUREPROOF, HEATSEALABLE REGENERATED CELLULOSE FILM CONTAINING A TOP COAT THAT IMPARTS THESE PROPERTIES TO THE FILM, THE IMPROVEMENT OF AVOIDING ANY BLOCKING OF THE FILM, AS DESCRIBED HEREIN, BY FIRST TREATING THE FILM WITH AN AQUEOUS SOLUTION CONTAINING AS THE SOLE ANCHORING MATERIAL A QUATERNARY AMMONIUM COMPOUND OF THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
57 words
IN A PROCESS OF PRODUCING A MOISTUREPROOF, HEATSEALABLE REGENERATED CELLULOSE FILM CONTAINING A TOP COAT THAT IMPARTS THESE PROPERTIES TO THE FILM, THE IMPROVEMENT OF AVOIDING ANY BLOCKING OF THE FILM, AS DESCRIBED HEREIN, BY FIRST TREATING THE FILM WITH AN AQUEOUS SOLUTION CONTAINING AS THE SOLE ANCHORING MATERIAL A QUATERNARY AMMONIUM COMPOUND OF THE FOLLOWING FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |