US3729438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latex polymers of vinylacetate and a silane
Assignee: Union Carbide Corp
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Filing: 1970-03-30
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Granted: 1973-04-24
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Expires: 1990-03-30
Abstract
Abstract LATEX POLYMERS COMPRISING AN AQUEOUS DISPERSION OF AN INTERPOLYMER SELECTED FROM THE CLASS CONSISTINGG OF (A) A COPOLYMER OF VINYL ACETATE AND VINYL HYDROLYZABLE SILANE AND (B) A TERPOLYMER OF VINLY ACETATE, AN ESTER, E.G. ACRYLIC ESTER, MALEIC ESTER OF FUMARATE ESTER, AND VINYL HYDROLYZABLE SILANE, AS WELL AS THE CROSSLINKED POLYMERS DERIVED THEREFROM, SAID LATEX POLYMERS HAVING UTILITY AS PROTECTIVE SURFACE COATINGS AND AS VEHICLES FOR PAINT FORMULATIONS.
Inventors
- 👤 M Plesich
- 👤 E Zavaglia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:03
CPC Classifications
C; C09; C09D; C09D131/00; C09D131/02; C09D131/04; C08; C08F; C08F8/00
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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |