US3647733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous dispersion of ethylene/vinyl alkanoate copolymer and wax containing neoprene
Assignee: EIDP Inc
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Filing: 1971-01-11
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Granted: 1972-03-07
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Expires: 1991-01-11
Abstract
Abstract A COATING BASED ON AN ETHYLENE/VINYL ALKNOATE COPOLYMER AND WAX AND FORMED FROM AN EHTYLENE/VINYL ALKANOATE COPOLYMER AND WAX DISPERSION HAS INCREASED COATING ADHESION TO SUBSTRATE AT HIGH-HUMIDITY OR WATER-SOAKED CONDITIONS WHEN NEOPRENE IS ADDED THERETO.
Inventors
- 👤 John William Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:35
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/08; D21H19/18; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31855; Y10T428/3188
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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |