US3012405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and composition for strengthening loose grounds
Assignee: Soletanche SA
•
Filing: 1959-01-12
•
Granted: 1961-12-12
•
Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Caron Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:21
CPC Classifications
C; C09; C09K; C09K17/00; C09K17/40; C09K17/42; C09K17/46; Y; Y10; Y10S; Y10S106/00; Y10S106/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF SOLIDIFYING LOOSE SOIL CONSISTING OF SIMULTANEOUSLY INJECTING INTO THE SOIL SODIUM SILICATE, A REAGENT SELECTED FROM THE GROUP CONSISTING OF ETHYL ACETATE, ETHYL OXALATE, PROPYL FORMATE, ETHYL SILICATE AND ETHYL CHLORIDE, WHICH REAGENT REACTS WITH THE SOLUBLE SODIUM SILICATE TO TRANSFORM THE LATTER INTO A WASTE-INSOLUBLE, STABLE SILICA GEL, AND A SURFACE TENSION REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF ISOPROPYL FORMATE AND A DETERGENT MIXTURE OF THE SODIUM SALTS OF SULFATED FATTY ALCOHOLS CONSISTING OF ABOUT 15% MIXED C8 AND C10 ALCOHOLS, 40% C12 ALCOHOL, 30% OF C14 ALCOHOL AND 15% MIXED C16 AND C18 ALCOHOLS, AND OPERATIVE TO CONTROL THE SPEED OF THE REACTION BETWEEN THE SODIUM SILICATE AND SAID REGENT.
Claim 2
Independent Claim
117 words
A METHOD OF SOLIDIFYING LOOSE SOIL CONSISTING OF SIMULTANEOUSLY INJECTING INTO THE SOIL SODIUM SILICATE, A REAGENT SELECTED FROM THE GROUP CONSISTING OF ETHYL ACETATE, ETHYL OXALATE, PROPYL FORMATE, ETHYL SILICATE AND ETHYL CHLORIDE, WHICH REAGENT REACTS WITH THE SOLUBLE SODIUM SILICATE TO TRANSFORM THE LATTER INTO A WASTE-INSOLUBLE, STABLE SILICA GEL, AND A SURFACE TENSION REDUCING AGENT SELECTED FROM THE GROUP CONSISTING OF ISOPROPYL FORMATE AND A DETERGENT MIXTURE OF THE SODIUM SALTS OF SULFATED FATTY ALCOHOLS CONSISTING OF ABOUT 15% MIXED C8 AND C10 ALCOHOLS, 40% C12 ALCOHOL, 30% OF C14 ALCOHOL AND 15% MIXED C16 AND C18 ALCOHOLS, AND OPERATIVE TO CONTROL THE SPEED OF THE REACTION BETWEEN THE SODIUM SILICATE AND SAID REGENT.
References Cited (Backward Citations)
US1827238A
Cited
GB411908A
Cited
US2045153A
Cited
US2330145A
Cited
US2662022A
Cited
US2766130A
Cited
GB716479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |