US3343910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble lithium compounds
Assignee: MINI RICHESSES NATURE
•
Filing: 1963-07-25
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Granted: 1967-09-26
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Archambault Maurice
- 👤 Charles A Olivier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:21
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/42; C01B33/26; C01B33/40; C01B33/46; C22; C22B; C22B26/00; C22B26/10; C22B26/12; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A PROCESS FOR PRODUCING WATER SOLUBLE LITHIUM COMPOUNDS FROM A CALCINED LITHIUM-BEARING SILICATE, WHICH COMPRISES: (A) REACTING SAID SILICATE WITH AN AQUEOUS SODIUM CARBONATE IN AN AMOUNT AND UNDER HYDROTHERMAL CONDITIONS EFFECTIVE TO FORM AN AQUEOUS SLURRY CONTAINING A MIXTURE OF WATER-INSOLUBLE LITHIUM CARBONATE AND AT LEAST ONE SODIUM ALUMINOSILICATE SELECTED FROM THE GROUP CONSISTING OF ISOMETRIC SODIUM ZEOLITE
Claim 2
Dependent Claim
59 words
A PROCESS FOR PRODUCING WATER SOLUBLE LITHIUM COMPOUNDS FROM A CALCINED LITHIUM-BEARING SILICATE, WHICH COMPRISES: (A) REACTING SAID SILICATE WITH AN AQUEOUS SODIUM CARBONATE IN AN AMOUNT AND UNDER HYDROTHERMAL CONDITIONS EFFECTIVE TO FORM AN AQUEOUS SLURRY CONTAINING A MIXTURE OF WATER-INSOLUBLE LITHIUM CARBONATE AND AT LEAST ONE SODIUM ALUMINOSILICATE SELECTED FROM THE GROUP CONSISTING OF ISOMETRIC SODIUM ZEOLITE
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |