Patent US4123130A successfully refreshed from Google Patents.
Patent US3301640A successfully refreshed from Google Patents.
US3301640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing stoichiometric uranium dioxide
Assignee: Kerr McGee Corp
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Filing: 1963-08-05
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Granted: 1967-01-31
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Forrest L Turbett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:09
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/01; C01G43/025; C01P; C01P2006/00; C01P2006/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR PRODUCING URANIUM DIOXIDE COMPRISING SOLIDIFYING MOLTEN URANIUM DIOXIDE WHICH CONTAINS URANIUM CARBIDE AS AN IMPURITY BY COOLING WITH A FLUID WATER CONTAINING MEDIUM WHICH IS NONOXIDIZING AND INERT THERETO WHEREBY THE URANIUM DIOXIDE IS MAINTAINED IN THAT OXYGEN-CONTAINING STATE, AND REACTING THE SAID URANIUM CARBIDE IMPURITY WITH WATER TO CONVERT THE URANIUM CARBIDE TO AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF VOLATILE HYDROCARBONS, OXIDES OF URANIUM AND HYDROXIDES OF URANIUM.
Claim 2
Dependent Claim
76 words
A PROCESS FOR PRODUCING URANIUM DIOXIDE COMPRISING SOLIDIFYING MOLTEN URANIUM DIOXIDE WHICH CONTAINS URANIUM CARBIDE AS AN IMPURITY BY COOLING WITH A FLUID WATER CONTAINING MEDIUM WHICH IS NONOXIDIZING AND INERT THERETO WHEREBY THE URANIUM DIOXIDE IS MAINTAINED IN THAT OXYGEN-CONTAINING STATE, AND REACTING THE SAID URANIUM CARBIDE IMPURITY WITH WATER TO CONVERT THE URANIUM CARBIDE TO AT LEAST ONE SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF VOLATILE HYDROCARBONS, OXIDES OF URANIUM AND HYDROXIDES OF URANIUM.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |