US2630369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for treating vanadium and uranium ores and the like
Assignee: Climax Uranium Co
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Filing: 1949-03-19
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Granted: 1953-03-03
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Expires: 1969-03-19
Abstract
No abstract record available.
Inventors
- 👤 Burwell Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:53
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/0278; C01; C01G; C01G31/00; C22B60/0221; C22B60/0247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
THE PROCESS FOR TREATING ORES OF URANIUM AND VANADIUM WHICH INCLUDES THE STEPS OF DISSOLVING THE URANIUM CONTENT OF THE ORE BY DIGESTION IN A HOT AQUEOUS SOLUTION OF ALKALI METAL CARBONATE, ADDING A SALT SELECTED FROM CLASS CONSISTING OF WATER-SOLUBLE CARBONATES AND BICARBONATES TO THE DIGESTED SLURRY, SEPARATING THE SOLIDS FROM THE RESULTING SOLUTION, PASSING CO2 THROUGH THE SOLUTION, SEPARATING THE PRECIPITATED BICARBONATE FROM SAID SOLUTION, EVAPORATING THE SOLUTION TO FORM A RESIDUE, CALCINING THE RESIDUE AT A TEMPERATURE SUFFICIENT TO EXPEL CARBON DIOXIDE, AND THEN LEACHING THE CALCINED MASS WITH WATER TO EXTRACT THE VANADIUM COMPOUNDS THEREFROM, WHEREBY THE URANIUM CONTENT OF THE ORE IS CONCENTRATED IN INSOLUBLE FORM IN THE LEACHED MASS.
Claim 2
Dependent Claim
115 words
THE PROCESS FOR TREATING ORES OF URANIUM AND VANADIUM WHICH INCLUDES THE STEPS OF DISSOLVING THE URANIUM CONTENT OF THE ORE BY DIGESTION IN A HOT AQUEOUS SOLUTION OF ALKALI METAL CARBONATE, ADDING A SALT SELECTED FROM CLASS CONSISTING OF WATER-SOLUBLE CARBONATES AND BICARBONATES TO THE DIGESTED SLURRY, SEPARATING THE SOLIDS FROM THE RESULTING SOLUTION, PASSING CO2 THROUGH THE SOLUTION, SEPARATING THE PRECIPITATED BICARBONATE FROM SAID SOLUTION, EVAPORATING THE SOLUTION TO FORM A RESIDUE, CALCINING THE RESIDUE AT A TEMPERATURE SUFFICIENT TO EXPEL CARBON DIOXIDE, AND THEN LEACHING THE CALCINED MASS WITH WATER TO EXTRACT THE VANADIUM COMPOUNDS THEREFROM, WHEREBY THE URANIUM CONTENT OF THE ORE IS CONCENTRATED IN INSOLUBLE FORM IN THE LEACHED MASS.
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) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |