US3364062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion coating of cellulosic films
Assignee: Rayonier Inc
•
Filing: 1965-12-27
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Granted: 1968-01-16
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Reid L Mitchell
- 👤 Charles F Murphy
- 👤 Allen Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:36
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J7/052; C08J2301/00; C08J2301/08; C08J2301/26; C08J2301/28; C08J2427/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A PROCESS FOR COATING A REGENERATED CELLULOSE OR HYDROXYETHYLCELLULOSE FILM IN WHICH AN AQUEOUS EMULSION OF A THERMOPLASTIC HYDROPHOBIC RESIN IS APPLIED ON THE FILM AND THE WATER OF THE EMULSION IS FLASED OFF BY HEATING WITH INFRARED RADIATION, AND THE RESIDUAL RESIN IS HEATED BY INFRARED RADIATION TO FUSE THE RESIN AND ADHESIVELY BOND IT TO THE FILM, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN THE AQUEOUS EMULSION FROM 1 TO 10% BY WEIGHT BASED ON THE SOLIDS CONTENT OF THE EMULSION OF POLYVINYLPYRROLIDONE.
Claim 2
Dependent Claim
85 words
IN A PROCESS FOR COATING A REGENERATED CELLULOSE OR HYDROXYETHYLCELLULOSE FILM IN WHICH AN AQUEOUS EMULSION OF A THERMOPLASTIC HYDROPHOBIC RESIN IS APPLIED ON THE FILM AND THE WATER OF THE EMULSION IS FLASED OFF BY HEATING WITH INFRARED RADIATION, AND THE RESIDUAL RESIN IS HEATED BY INFRARED RADIATION TO FUSE THE RESIN AND ADHESIVELY BOND IT TO THE FILM, THE IMPROVEMENT WHICH COMPRISES INCORPORATING IN THE AQUEOUS EMULSION FROM 1 TO 10% BY WEIGHT BASED ON THE SOLIDS CONTENT OF THE EMULSION OF POLYVINYLPYRROLIDONE.
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |