US2950166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for separation of plutonium from uranium and fission products by solvent extraction
Assignee: Individual
•
Filing: 1952-10-31
•
Granted: 1960-08-23
•
Expires: 1972-10-31
Abstract
No abstract record available.
Inventors
- 👤 Glenn T Seaborg
- 👤 Walter J Blaedel
- 👤 Jr Matthew T Walling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:08
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; C; C01; C01G; C01G56/00; C01G56/001; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE PROCESS OF SEPARATING URANIUM VALUES, PLUTONIUM VALUES AND FISSION PRODUCT VALUES CONTAINED IN AN AQUEOUS SOLUTION, COMPRISING PROVIDING A NITRIC ACID SOLUTION OF SAID VALUES, SECURING THE PLUTONIUM IN ITS HEXAVALENT OXIDATION STATE, CONTACTING THE NITRIC ACID SOLUTION WITH A SUBSTANTIALLY WATER-IMMISCIBLE ORGANIC SOLVENT WHEREBY THE URANIUM AND PLUTONIUM VALUES ARE TAKEN UP BY AN ORGANIC EXTRACT PHASE, SEPARATING THE AQUEOUS SOLUTION AND THE ORGANIC EXTRACT PHASE,CONTACTING THE ORGANIC PHASE WITH AN AQUEOUS MEDIUM CONTAINING A REDUCING AGENT FOR THE PLUTONIUM AND A SALTINGOUT AGENT WHEREBY THE PLUTONIUM IS CONVERTED TO ITS TRIVALENT STATE AND BACK-EXTRACTED INTO SAID AQUEOUS MEDIUM, AND SEPARATING THE PLUTONIUM-CONTAINING AQUEOUS MEDIUM FROM SAID URANIUM-CONTAINING ORGANIC EXTRACT PHASE.
Claim 2
Dependent Claim
113 words
THE PROCESS OF SEPARATING URANIUM VALUES, PLUTONIUM VALUES AND FISSION PRODUCT VALUES CONTAINED IN AN AQUEOUS SOLUTION, COMPRISING PROVIDING A NITRIC ACID SOLUTION OF SAID VALUES, SECURING THE PLUTONIUM IN ITS HEXAVALENT OXIDATION STATE, CONTACTING THE NITRIC ACID SOLUTION WITH A SUBSTANTIALLY WATER-IMMISCIBLE ORGANIC SOLVENT WHEREBY THE URANIUM AND PLUTONIUM VALUES ARE TAKEN UP BY AN ORGANIC EXTRACT PHASE, SEPARATING THE AQUEOUS SOLUTION AND THE ORGANIC EXTRACT PHASE,CONTACTING THE ORGANIC PHASE WITH AN AQUEOUS MEDIUM CONTAINING A REDUCING AGENT FOR THE PLUTONIUM AND A SALTINGOUT AGENT WHEREBY THE PLUTONIUM IS CONVERTED TO ITS TRIVALENT STATE AND BACK-EXTRACTED INTO SAID AQUEOUS MEDIUM, AND SEPARATING THE PLUTONIUM-CONTAINING AQUEOUS MEDIUM FROM SAID URANIUM-CONTAINING ORGANIC EXTRACT PHASE.
References Cited (Backward Citations)
US2811415A
Cited
US2903332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |