Patent US3905869A successfully refreshed from Google Patents.
US3115388A
Expired / Lapsed
US
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Hydrometallurgical process for the recovery of uranium
Assignee: KERR MC GEE OIL IND Inc
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Filing: 1959-01-28
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Granted: 1963-12-24
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Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 Mayer B Goren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:29
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A METHOD OF STRIPPING URANIUM VALUES FROM A SOLUTION OF WATER-INSOLUBLE URANIUM LOADED ORGANIC WEAK BASE AMINE SOLVENT EXTRACTANT FOR URANIUM, THE SOLVENT EXTRACTANT FOR URANIUM BEING DISSOLVED IN A WATER-INSOLUBLE ORGANIC DILUENT THEREFOR, COMPRISING THE STEPS OF INTIMATELY CONTACTING THE SOLUTION OF URANIUM-LOADED EXTRACTANT WITH A STRIPPING SOLUTION CONSISTING ESSENTIALLY OF AT LEAST ONE WATER-SOLUBLE INORGANIC SULFATE SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, MAGNESIUM AND AMMONIUM SULFATES DISSOLVED IN WATER TO STRIP URANIUM VALUES THEREFROM AND PRODUCE STRIPPING SOLUTION CONTAINING STRIPPED URANIUM VALUES, THE STRIPPING SOLUTION BEING SUBSTANTIALLY FREE OF A STRIPPING AGENT FOR THE URANIUM-LOADED SOLVENT EXTRACTANT SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE METAL CHLORIDES, NITRATES AND CARBONATES, THE CONCENTRATION OF THE INORGANIC SULFATE IN THE STRIPPING SOLUTION BEING AT LEAST ONE MOLAR AND THE STRIPPING SOLUTION BEING AT AN ELEVATED TEMPERATURE BETWEEN ABOUT 50*C. AND THE BOILING POINT WHEN CONTACTED WITH THE SOLUTION OF URANIUM-LOADED EXTRACTANT, AND SEPARATING STRIPPING SOLUTION CONTAINING STRIPPED URANIUM VALUES FROM THE SOLUTION OF URANIUM EXTRACTANT.
Claim 2
Independent Claim
166 words
A METHOD OF STRIPPING URANIUM VALUES FROM A SOLUTION OF WATER-INSOLUBLE URANIUM LOADED ORGANIC WEAK BASE AMINE SOLVENT EXTRACTANT FOR URANIUM, THE SOLVENT EXTRACTANT FOR URANIUM BEING DISSOLVED IN A WATER-INSOLUBLE ORGANIC DILUENT THEREFOR, COMPRISING THE STEPS OF INTIMATELY CONTACTING THE SOLUTION OF URANIUM-LOADED EXTRACTANT WITH A STRIPPING SOLUTION CONSISTING ESSENTIALLY OF AT LEAST ONE WATER-SOLUBLE INORGANIC SULFATE SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, MAGNESIUM AND AMMONIUM SULFATES DISSOLVED IN WATER TO STRIP URANIUM VALUES THEREFROM AND PRODUCE STRIPPING SOLUTION CONTAINING STRIPPED URANIUM VALUES, THE STRIPPING SOLUTION BEING SUBSTANTIALLY FREE OF A STRIPPING AGENT FOR THE URANIUM-LOADED SOLVENT EXTRACTANT SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE METAL CHLORIDES, NITRATES AND CARBONATES, THE CONCENTRATION OF THE INORGANIC SULFATE IN THE STRIPPING SOLUTION BEING AT LEAST ONE MOLAR AND THE STRIPPING SOLUTION BEING AT AN ELEVATED TEMPERATURE BETWEEN ABOUT 50*C. AND THE BOILING POINT WHEN CONTACTED WITH THE SOLUTION OF URANIUM-LOADED EXTRACTANT, AND SEPARATING STRIPPING SOLUTION CONTAINING STRIPPED URANIUM VALUES FROM THE SOLUTION OF URANIUM EXTRACTANT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |