Patent US3086841A successfully refreshed from Google Patents.
US3086841A
Expired / Lapsed
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Method for prevention of plugging of aeration tubes in the leaching of uranium ores
Assignee: Phillips Petroleum Co
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Filing: 1959-10-21
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Granted: 1963-04-23
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Expires: 1979-10-21
Abstract
No abstract record available.
Inventors
- 👤 James L Hart
- 👤 Robert E Reusser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:37
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0221
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A PROCESS FOR THE OXIDATION OF TERTRAVALENT URANIUM TO HEXAVALENT URANIUM WITH FREE OXYGEN-CONTAINING GAS WHICH COMPRISES OXIDIZING AN AQUEOUS SLURRY OF COMMINUTED URAINUM-CONTAINING ORE IN THE PRESENCE OF A LEACHING SOLUTION IN A LEACHING ZONE, BY BLOWING SAID FREE OXYGEN-CONTAINING GAS INTO SAID LEACHING ZONE THROUGH AT LEAST ONE AERATION TUBE HAVING AN INSIDE DIAMETER AT LEAST 0.125 INCHES, FORMING A PREGNANT LIQUOR CONTAINING A DISSOLVENT WATER SOLUBLE HEXAVALENT URANYL COMPOUND, AND RECOVERING URANIUM VALUES FROM SAID PREGNANT LIQUOR, THE IMPROVEMENT WHICH COMPROSES COATING THE INTERNAL SURFACE OF SAID AERATION TUBE PRIOR TO SAID TUBE BEING DISPOSED BELOW THE SLURRY LEVEL IN SAID LEACHING VESSEL WITH AN ORGANIC SILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
118 words
IN A PROCESS FOR THE OXIDATION OF TERTRAVALENT URANIUM TO HEXAVALENT URANIUM WITH FREE OXYGEN-CONTAINING GAS WHICH COMPRISES OXIDIZING AN AQUEOUS SLURRY OF COMMINUTED URAINUM-CONTAINING ORE IN THE PRESENCE OF A LEACHING SOLUTION IN A LEACHING ZONE, BY BLOWING SAID FREE OXYGEN-CONTAINING GAS INTO SAID LEACHING ZONE THROUGH AT LEAST ONE AERATION TUBE HAVING AN INSIDE DIAMETER AT LEAST 0.125 INCHES, FORMING A PREGNANT LIQUOR CONTAINING A DISSOLVENT WATER SOLUBLE HEXAVALENT URANYL COMPOUND, AND RECOVERING URANIUM VALUES FROM SAID PREGNANT LIQUOR, THE IMPROVEMENT WHICH COMPROSES COATING THE INTERNAL SURFACE OF SAID AERATION TUBE PRIOR TO SAID TUBE BEING DISPOSED BELOW THE SLURRY LEVEL IN SAID LEACHING VESSEL WITH AN ORGANIC SILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2815261A
Cited
US2813003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |