Patent US3645824A successfully refreshed from Google Patents.
US3645824A
Expired / Lapsed
US
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Process for providing improved polyvinylidene chloride-coated substrates
Assignee: Morton International LLC
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Filing: 1968-10-29
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Granted: 1972-02-29
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Expires: 1988-10-29
Abstract
Abstract A method of retaining adhesion, reducing blocking, and increasing the solvent resistance of polyvinylidene chloridecoated substrates comprising coating a substrate with a solution or aqueous dispersion of a polyvinylidene chloride composition, removing the volatile matter therefrom, heating the coated substrate to a temperature of from about 100* to about 200* F., and maintaining the temperature of said coated substrate for a period of time ranging from about at least 20 hours for a temperature of about 100* F. to at least about 2 minutes for a temperature of about 200* F.
Inventors
- 👤 Richard A Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:08
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/08; C08J5/00; C08J5/12; C08J5/124; C08J5/125; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/08
Claims Analysis
Total Claims: 0
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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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |