US2992886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for dissolving zirconiumuranium compositions
Assignee: Individual
•
Filing: 1960-03-07
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Granted: 1961-07-18
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Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Gens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:25
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; C; C01; C01G; C01G43/00; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0221; C22B60/0226; C22B60/0239; C22B60/0247; C22B60/0252; C22B60/026; C22B60/0278; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A METHOD FOR TREATING A ZIRCONIUM-URANIUM COMPOSITION TO FORM A STABLE SOLUTION FROM WHICH URANIUM AND OTHER VALUES MAY BE EXTRACTED, THE STEPS WHICH COMPRISE CONTACTING SAID COMPOSITION WITH AT LEAST A 4 MOLAR AQUEOUS SOLUTION OF AMMONIUM FLUORIDE AT A TEMPERATURE OF ABOUT 100*C., ADDING A PEROXIDE, IN INCREMENTAL AMOUNTS, TO THE HEATED SOLUTION THROUGHOUT THE PERIOD OF DISSOLUTION UNTIL ALL OF THE URANIUM HAS BEEN CONVERTED TO SOLUBLE URANYL SALT, ADDING NITRIC ACID TO THE RESULTANT SOLUTION TO FORM A SOLVENT EXTRACTION FEED SOLUTION TO CONVERT SAID URANYL SALT TO A SOLVENT EXTRACTABLE STATE, AND THEREAFTER RECOVERING SAID URANIUM AND OTHER DESIRED VALUES FROM SAID FEED SOLUTION BY SOLVENT EXTRACTION.
Claim 2
Dependent Claim
113 words
IN A METHOD FOR TREATING A ZIRCONIUM-URANIUM COMPOSITION TO FORM A STABLE SOLUTION FROM WHICH URANIUM AND OTHER VALUES MAY BE EXTRACTED, THE STEPS WHICH COMPRISE CONTACTING SAID COMPOSITION WITH AT LEAST A 4 MOLAR AQUEOUS SOLUTION OF AMMONIUM FLUORIDE AT A TEMPERATURE OF ABOUT 100*C., ADDING A PEROXIDE, IN INCREMENTAL AMOUNTS, TO THE HEATED SOLUTION THROUGHOUT THE PERIOD OF DISSOLUTION UNTIL ALL OF THE URANIUM HAS BEEN CONVERTED TO SOLUBLE URANYL SALT, ADDING NITRIC ACID TO THE RESULTANT SOLUTION TO FORM A SOLVENT EXTRACTION FEED SOLUTION TO CONVERT SAID URANYL SALT TO A SOLVENT EXTRACTABLE STATE, AND THEREAFTER RECOVERING SAID URANIUM AND OTHER DESIRED VALUES FROM SAID FEED SOLUTION BY SOLVENT EXTRACTION.
References Cited (Backward Citations)
US2820692A
Cited
US2921836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |