US3104940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the separation of thorium and uranium salts
Assignee: Individual
•
Filing: 1959-08-28
•
Granted: 1963-09-24
•
Expires: 1979-08-28
Abstract
No abstract record available.
Inventors
- 👤 Bril Kazimierz Josef
- 👤 Krumholz Pawel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:35
CPC Classifications
C; C01; C01G; C01G43/00; C01F; C01F15/00; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026; C22B60/0291; G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS FOR THE SEPARATION OF THORIUM FROM URANIUM IN SOLUTION AS NITRATES IN A WATER-IMMISCIBLE, ORGANIC SOLVENT COMPRISING AN ESTER OF PHOSOHORIC ACID IN WHICH 0004THE THORIUM NITRATE IS PRESENT IN A CONCENTRATION OF FROM ABOUT 70 TO 100%OF TOTAL SATURATION, THE STEP WHICH COMPRISES MIXING WITH EACH OTHER SAID WATER-IMMISCIBLE, ORGANIC SOLVENT CONTAINING THORIUM AND URANIUM NITRATES WITH AN AQUEOUS SOLUTION CONTAINING ABOUT 1.5 TO 2.5 MOLAR CONCENTRATION OF A PRECIPITATING, AGENT, WHICH PRECIPITATING AGENT IS A MEMBER SELECTED FROM THE CLASS CONSISTING OF SULFURIC ACID AND WATER-SOLUBLE SULFATES AND BISYLFATES, WHEREBY THE THROIUM VALUES ARE SELECTIVELY AND SIMULTANEOUSLY PRECIPITATED FROM THE SOLUTION AND SEPARATED FROM THE URANIUM VALUES.
Claim 2
Dependent Claim
111 words
A PROCESS FOR THE SEPARATION OF THORIUM FROM URANIUM IN SOLUTION AS NITRATES IN A WATER-IMMISCIBLE, ORGANIC SOLVENT COMPRISING AN ESTER OF PHOSOHORIC ACID IN WHICH 0004THE THORIUM NITRATE IS PRESENT IN A CONCENTRATION OF FROM ABOUT 70 TO 100%OF TOTAL SATURATION, THE STEP WHICH COMPRISES MIXING WITH EACH OTHER SAID WATER-IMMISCIBLE, ORGANIC SOLVENT CONTAINING THORIUM AND URANIUM NITRATES WITH AN AQUEOUS SOLUTION CONTAINING ABOUT 1.5 TO 2.5 MOLAR CONCENTRATION OF A PRECIPITATING, AGENT, WHICH PRECIPITATING AGENT IS A MEMBER SELECTED FROM THE CLASS CONSISTING OF SULFURIC ACID AND WATER-SOLUBLE SULFATES AND BISYLFATES, WHEREBY THE THROIUM VALUES ARE SELECTIVELY AND SIMULTANEOUSLY PRECIPITATED FROM THE SOLUTION AND SEPARATED FROM THE URANIUM VALUES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |