US3558506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelling mixtures for soluble silicates
Assignee: Progil SARL
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Filing: 1967-03-17
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Granted: 1971-01-26
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Expires: 1987-03-17
Abstract
Abstract A NEW GELLING MIXTURE FOR ALKALI METAL SILICATES TO RENDER THEM SUITABLE FOR SOIL CONSOLIDATION AND STABILIZATION, THE GELLING AGENT BEING A MIXTURE OF METHYL FORMATE, METHYL ACETATE AND MENTHYL PROPIONATE WHICH MAY ALSO CONTAIN METHANOL.
Inventors
- 👤 Bernard Bonnel
- 👤 Ghislain Schwachhofer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:18
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/08; B; B01; B01J; B01J13/00; B01J13/0052; B01J13/0065; B01J19/00; B01J19/06; C01; C01B; C01B33/00; C01B33/113; C04B24/04; C04B24/045; H; H04; H04L; H04L7/00
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |