Patent US3730746A successfully refreshed from Google Patents.
US3730746A
Expired / Lapsed
US
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Silicate polymer vehicles for use in protective coatings and process of making
Assignee: Individual
•
Filing: 1970-09-08
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Granted: 1973-05-01
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Expires: 1990-09-08
Abstract
Abstract SILICATE POLYMER VEHICLES ARE OBTAINED BY PARTIALLY HYDROLYZING ETHYL SILICATE AND REACTING THE RESULTANT COMPOSITION WITH A VINYL BUTYRALDEHYDE AND ONE OR MORE ADDITIVES SUCH AS A BORATE, A SILANE OR A LEWIS ACID AND CELLULOSE TO PRODUCE A VEHICLE FOR USE IN PROTECTIVE COATINGS OF VARIOUS KINDS AND PARTICULARLY COATINGS FORUSE ON METAL.
Inventors
- 👤 D Boaz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:31
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) | 1976-04-30 | 1976-10-30 | 1977-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-30 | 1980-10-30 | 1981-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-30 | 1984-10-30 | 1985-05-01 | $7700.00 | Window Closed / Lapsed |