Patent US305260A successfully refreshed from Google Patents.
US2982601A
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Separation of uranyl and ruthenium values by the tributyl phosphate extraction process
Assignee: Individual
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Filing: 1954-03-03
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Granted: 1961-05-02
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Expires: 1974-03-03
Abstract
No abstract record available.
Inventors
- 👤 Archie S Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:34
CPC Classifications
C; C01; C01G; C01G55/00; C01G55/001; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PROCESS OF SEPARATING URANYL VALUES FROM RUTHENIUM VALUES CONTAINED IN AN AQUEOUS NITRIC ACID FEED SOLUTION IN WHICH THE NITRIC ACID CONCENTRATION RANGES BETWEEN 3 AND 4 M, COMPRISING ADDING HYDROGEN PEROXIDE TO SAID SOLUTION IN A QUANTITY TO OBTAIN A CONCENTRATION OF 0.3 M, CONTACTING THE AQUEOUS SOLUTION WITH TRIBUTYL PHOSPHATE DISSOLVED IN KEROSENE AND SEPARATING AN ORGANIC TRIBUTYL PHOSPHATE PHASE CONTAINING SAID URANYL VALUES FROM AN AQUEOUS RAFFINATE CONTAINING SAID RUTHENIUM VALUES.
Claim 2
Dependent Claim
75 words
A PROCESS OF SEPARATING URANYL VALUES FROM RUTHENIUM VALUES CONTAINED IN AN AQUEOUS NITRIC ACID FEED SOLUTION IN WHICH THE NITRIC ACID CONCENTRATION RANGES BETWEEN 3 AND 4 M, COMPRISING ADDING HYDROGEN PEROXIDE TO SAID SOLUTION IN A QUANTITY TO OBTAIN A CONCENTRATION OF 0.3 M, CONTACTING THE AQUEOUS SOLUTION WITH TRIBUTYL PHOSPHATE DISSOLVED IN KEROSENE AND SEPARATING AN ORGANIC TRIBUTYL PHOSPHATE PHASE CONTAINING SAID URANYL VALUES FROM AN AQUEOUS RAFFINATE CONTAINING SAID RUTHENIUM VALUES.
References Cited (Backward Citations)
US2227833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |