Patent US3832204A successfully refreshed from Google Patents.
US3832204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicate polymer vehicles for use in protective coatings and process of making
Assignee: Individual
•
Filing: 1973-02-08
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Granted: 1974-08-27
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Expires: 1993-02-08
Abstract
Abstract SILICATE POLYMER VEHICLES ARE OBTAINED BY PARTIALLY HYDROLYZING ALKYL SILICATE AND REACTING THE RESULTANT COMPOSITION WITH A VINYL RESIN, SUCH AS POLYVINYL BUTYRAL AND ONE OR MORE ADDITIVES SUCH AS AN ALKYL ORTHOBORATE, AN AMBIFUNCTIONAL SILANE, OR A LEWIS ACID METAL SALT AND ETHYL CELLULOSE TO PRODUCE A VEHICLE FOR USE IN PROTECTIVE COATINGS OF VARIOUS KINDS AND PARTICULARLY COATINGS FOR USE ON METAL.
Inventors
- 👤 D Boaz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:53
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/02; Y; Y10; Y10S; Y10S106/00; Y10S106/901
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) | 1977-08-26 | 1978-02-25 | 1978-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-26 | 1982-02-25 | 1982-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-26 | 1986-02-25 | 1986-08-27 | $7700.00 | Window Closed / Lapsed |