US3552998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating a nonporous substrate with polyvinylidene chloride using a polyurethane precoat and products thereof
Assignee: Morton International LLC
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Filing: 1968-03-20
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Granted: 1971-01-05
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Expires: 1988-03-20
Abstract
Abstract A METHOD OF APPLYING AND ADHERING A FILM OF VINYLIDENE CHLORIDE POLYMERS AND COPOLYMERS TO A NONPOROUS SUBSTRATE, AND THE PRODUCT PRODUCED THEREBY. IN PARTICULAR, A METHOD OF BONDING A FILM OF VINYLIDENE CHLORIDE POLYMER TO A NONPOROUS SUBSTRATE, SUCH AS A PLASTIC FILM OR METAL FOIL, AND IMPROVING THE STRENGTH OF THE BOND ESTABLISHED THEREBETWEEN BY USING A POLYURETHANE PRECOAT AS A BONDING MEDIUM.
Inventors
- 👤 Philip L Weyna
- 👤 David A Frey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:00
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C63/00; B29C63/48; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J7/052; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/08; C08J2475/00; C08J2475/04; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |