Patent US2525671A successfully refreshed from Google Patents.
US2525671A
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Carnauba wax as slip agent for vinylidene chloride-acrylonitrile copolymer films
Assignee: EIDP Inc
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Filing: 1946-11-29
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Granted: 1950-10-10
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Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 Hauser Paul Matthew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:03
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/046; C08J7/052; C08J2301/00; C08J2301/06; C08J2427/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A MOISTUREPROOF, HEAT-SEALABLE WRAPPING TISSUE COMPRISING REGENERATED CELLULOSE FILM COATED WITH A COMPOSITION COMPRISING ESSENTIALLY VINYLIDENE CHLORIDE-ACRYLONITRILE COPOLYMER AS THE SOLE FILM-FORMER, AND FROM 0.1 TO 3.0% BY WEIGHT OF AN ESTER WAX AS A SLIP-PROMOTING AGENT.
Claim 2
Dependent Claim
37 words
A MOISTUREPROOF, HEAT-SEALABLE WRAPPING TISSUE COMPRISING REGENERATED CELLULOSE FILM COATED WITH A COMPOSITION COMPRISING ESSENTIALLY VINYLIDENE CHLORIDE-ACRYLONITRILE COPOLYMER AS THE SOLE FILM-FORMER, AND FROM 0.1 TO 3.0% BY WEIGHT OF AN ESTER WAX AS A SLIP-PROMOTING AGENT.
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) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |