US3782982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Products prepared from soluble silicate solutions
Assignee: Corning Glass Works
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Filing: 1970-06-12
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Granted: 1974-01-01
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Expires: 1990-06-12
Abstract
Abstract THIS INVENTION RELATES TO THE DISCOVERY OF A METHOD FOR PRODUCING MONOLITHIC POROUS MATERIALS, WATER INSOLUBLE THERMOPLASTIC MATERIALS, AND WATER SOLUBLE RESINOUS MATERIALS CONTAINING SILICA (SIO2) FROM REACTION MIXTURES OF SOLUBLE SILICATES AND CERTAIN ORGNIC COMPOUNDS BY TREATING SAID REACTION MIXTURES AT MODERATE TEMPERATURES TO REACT THE VARIOUS SPECIES THEREIN.
Inventors
- 👤 J Pierson
- 👤 S Stookey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:35
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/28; B01J20/28014; B01J20/28042; B01J20/02; B01J20/10; B01J20/103; C; C01; C01B; C01B33/00; C01B33/113; C03; C03C; C03C1/00; C03C1/006
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |