Patent US2918366A successfully refreshed from Google Patents.
US2918366A
Expired / Lapsed
US
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Decontamination of neutron-irradiated reactor fuel
Assignee: Individual
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Filing: 1957-04-17
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Granted: 1959-12-22
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Expires: 1977-04-17
Abstract
No abstract record available.
Inventors
- 👤 Archie G Buyers
- 👤 Ercole E Motta
- 👤 Fred D Rosen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:44
CPC Classifications
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
135 words
A METHOD OF DECONTAMINATING A NEUTRON-IRRADIATED IMPURITY-CONTAINING REACTOR FUEL COMPOSED OF AT LEAST ONE MEMBER SELECTED FROM THE CLASS CONSISTING OF THE ELEMENTS THORIUM, URANIUM, PLUTONIUM, COMPRISING PROVIDING A REACTION CHAMBER CONTAINING A BED OF A SOLID FLUORIDE SALT IN PARTICLE FORM, SAID FLUORIDE SALT CONSISTING OF AT LEAST ONE MEMBER SELECTED FROM THE CLASS CONSISTING OF ALKALI METAL FLUORIDES, ALKALI EARTH FLUORIDES AND URANIUM TETRA FLUORIDE; MAINTAINING AN INERT GASEOUS ATMOSPHERE WITHIN SAID REACTION CHAMBER; PLACING SAID FUEL ON SAID SALT BED; PASSING SAID FUEL IN A LIQUIFIED FORM THROUGH SAID SOLID SALT BED SO AS TO CONTACT SAID FUEL WITH SAID SOLID SALT THEREBY CAUSING SAID IMPURITIES TO BE REMOVED FROM SAID FUEL AND PROVIDING A PURIFIED FUEL, AND MAINTAINING SAID FUEL IN SAID LIQUIFIED FORM DURING SAID PASSAGE THROUGH SAID SALT BED.
Claim 2
Independent Claim
135 words
A METHOD OF DECONTAMINATING A NEUTRON-IRRADIATED IMPURITY-CONTAINING REACTOR FUEL COMPOSED OF AT LEAST ONE MEMBER SELECTED FROM THE CLASS CONSISTING OF THE ELEMENTS THORIUM, URANIUM, PLUTONIUM, COMPRISING PROVIDING A REACTION CHAMBER CONTAINING A BED OF A SOLID FLUORIDE SALT IN PARTICLE FORM, SAID FLUORIDE SALT CONSISTING OF AT LEAST ONE MEMBER SELECTED FROM THE CLASS CONSISTING OF ALKALI METAL FLUORIDES, ALKALI EARTH FLUORIDES AND URANIUM TETRA FLUORIDE; MAINTAINING AN INERT GASEOUS ATMOSPHERE WITHIN SAID REACTION CHAMBER; PLACING SAID FUEL ON SAID SALT BED; PASSING SAID FUEL IN A LIQUIFIED FORM THROUGH SAID SOLID SALT BED SO AS TO CONTACT SAID FUEL WITH SAID SOLID SALT THEREBY CAUSING SAID IMPURITIES TO BE REMOVED FROM SAID FUEL AND PROVIDING A PURIFIED FUEL, AND MAINTAINING SAID FUEL IN SAID LIQUIFIED FORM DURING SAID PASSAGE THROUGH SAID SALT BED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |