Patent US3814716A successfully refreshed from Google Patents.
US3814716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latex polymers
Assignee: Union Carbide Corp
•
Filing: 1972-09-08
•
Granted: 1974-06-04
•
Expires: 1992-09-08
Abstract
Abstract LATEX POLYMERS COMPRISING AN AQUEOUS DISPERSION OF AN INTERPOLYMER SELECTED FROM THE CLASS CONSISTING OF (A) A COPOLYMER OF VINYL ACETATE AND VINYL HYDROLYZABLE SILICONE AND (B) A TERPOLYMER OF VINYL ACETATE, AN ESTER, E.G. ACRYLIC ESTER, MALEIC ESTER OR FUMARATE ESTER, AMD 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
- 👤 E Kowalski
- 👤 M Plesich
- 👤 E Zavaglia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:22
CPC Classifications
C; C09; C09D; C09D131/00; C09D131/02; C09D131/04; C08; C08F; C08F8/00; Y; Y10; Y10S; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |