US2840464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of separating fission products from fused bismuth-containing uranium
Assignee: Individual
•
Filing: 1955-05-27
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Granted: 1958-06-24
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Expires: 1975-05-27
Abstract
No abstract record available.
Inventors
- 👤 Richard H Wiswall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:08
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/50; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE METHOD OF SEPARATING AT LEAST SOME FISSION PRODUCT METALS SELECTIVELY FROM DILUTE SOLUTION IN FUSED BISMUTH IN WHICH URANIUM IS PRESENT IN SOLUTION WITHOUT REMOVAL OF MORE THAN 1% OF SAID URANIUM, WHICH COMPRISES CONTACTING SAID FUSED BISMUTH WITH A FUSED SALT COMPOSITION CONSISTING OF A PLURALITY OF CHLORIDES SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM AND LITHIUM CHLORIDES, ADDING TO SAID CONTRACTED COMPOSITIONS A QUANTITY OF BISMUTH CHLORIDE WHICH IS SUBSTANTIALLY THE QUANTITY STOICHIOMETRICALLY REQUIRED TO CONVERT THE QUANTITY OF THE FISSION PRODUCT METALS TO BE REMOVED TO A CONDITION FOR TRANSFERRING SAID FISSION PRODUCT METALS TO SAID FUSED SALT COMPOSITION, AND THEREAFTER SEPARATING SAID FUSED CHLORIDE AND FUSED METAL COMPOSITIONS.
Claim 2
Independent Claim
114 words
THE METHOD OF SEPARATING AT LEAST SOME FISSION PRODUCT METALS SELECTIVELY FROM DILUTE SOLUTION IN FUSED BISMUTH IN WHICH URANIUM IS PRESENT IN SOLUTION WITHOUT REMOVAL OF MORE THAN 1% OF SAID URANIUM, WHICH COMPRISES CONTACTING SAID FUSED BISMUTH WITH A FUSED SALT COMPOSITION CONSISTING OF A PLURALITY OF CHLORIDES SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM AND LITHIUM CHLORIDES, ADDING TO SAID CONTRACTED COMPOSITIONS A QUANTITY OF BISMUTH CHLORIDE WHICH IS SUBSTANTIALLY THE QUANTITY STOICHIOMETRICALLY REQUIRED TO CONVERT THE QUANTITY OF THE FISSION PRODUCT METALS TO BE REMOVED TO A CONDITION FOR TRANSFERRING SAID FISSION PRODUCT METALS TO SAID FUSED SALT COMPOSITION, AND THEREAFTER SEPARATING SAID FUSED CHLORIDE AND FUSED METAL COMPOSITIONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |