US2902415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of uranium fuels
Assignee: Individual
•
Filing: 1956-10-03
•
Granted: 1959-09-01
•
Expires: 1976-10-03
Abstract
No abstract record available.
Inventors
- 👤 Leonard W Niedrach
- 👤 Arthur C Glamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:08
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/34; G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/48; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
AN ELECTROREFINING PROCESS OF DDECONTAMINATING IRRADIATED URANIUM WHICH COMPRISES MAKING SAID URANIUM THE ANODE IN AN ELECTROLYTIC CELL WHICH IS PROVIDED WITH A FUSED ELECTROLYTE CONSISTING OF A MIXTURE OF A URANIUM HALIDE AND AN ALKALINE EARTH METAL HALLIDE AND A CATHODE WHICH IS COMPOSED OF A METAL WHICH IS CAPABLE OF COMBINING WITH URANIUM TO FORM A URANIUM RICH ALLOY WHICH HAS A MELTING POINT LOWER THAN THAT OF URANIUM, PASSING AN ELECTRIC CURRENT THROUGH SAID CELL, MAINTAINING THE CELL TEMPERATURE IN THE VICINITY OF THE CATHODE BELOW THE MELTING POINTS OF URANIUM AND OF THE METAL OF WHICH THE CATHODE IS COMPOSED BUT SUFFICIENTLY HIGH SO THAT THE URANIUM RICH ALLOY FORMED BY COMBINATION OF THE DEPOSITED URANIUM AND THE METAL OF THE CATHODE IS PRODUCED IN A MOLTEN STATE AND DRIPS FROM SAID CATHODE, AND COLLECTING SAID URANIUM RICH ALLOY.
Claim 2
Dependent Claim
143 words
AN ELECTROREFINING PROCESS OF DDECONTAMINATING IRRADIATED URANIUM WHICH COMPRISES MAKING SAID URANIUM THE ANODE IN AN ELECTROLYTIC CELL WHICH IS PROVIDED WITH A FUSED ELECTROLYTE CONSISTING OF A MIXTURE OF A URANIUM HALIDE AND AN ALKALINE EARTH METAL HALLIDE AND A CATHODE WHICH IS COMPOSED OF A METAL WHICH IS CAPABLE OF COMBINING WITH URANIUM TO FORM A URANIUM RICH ALLOY WHICH HAS A MELTING POINT LOWER THAN THAT OF URANIUM, PASSING AN ELECTRIC CURRENT THROUGH SAID CELL, MAINTAINING THE CELL TEMPERATURE IN THE VICINITY OF THE CATHODE BELOW THE MELTING POINTS OF URANIUM AND OF THE METAL OF WHICH THE CATHODE IS COMPOSED BUT SUFFICIENTLY HIGH SO THAT THE URANIUM RICH ALLOY FORMED BY COMBINATION OF THE DEPOSITED URANIUM AND THE METAL OF THE CATHODE IS PRODUCED IN A MOLTEN STATE AND DRIPS FROM SAID CATHODE, AND COLLECTING SAID URANIUM RICH ALLOY.
References Cited (Backward Citations)
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US2781304A
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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) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |