Patent US3121128A successfully refreshed from Google Patents.
US3121128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making shaped fuel for nuclear reactors
Assignee: Individual
•
Filing: 1962-02-07
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Granted: 1964-02-11
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 O'leary William Joseph
- 👤 Eugene A Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:19
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/623; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A PROCESS OF MAKING URANIUM-DIOXIDE-BASE FUEL BODIES FOR NUCLEAR RACTORS, COMPRISING ADDING TO URANIUM DIOXIDE FROM 0.1 TO 1% BY WEIGHT OF AN OXIDIC DENSIFIER THAT CAN BE READILY CONVERTED TO A HEAT-CONDUCTING REFRACTORY COMPOUND, SAID DENSIFIER BEING SELECTED FROM THE GROUP CONSISTING OF TIN OXIDE, ALUMINUM OXIDE, ZIRCONIUM OXIDE, FERRIC OXIDE, ZINC OXIDE, CHROMIUM OXIDE, MOLYBDENUM OXIDE, TITANIUMOXIDE AND NIOBIUM OXIDE; ADDING A PLASTICIZER CONSISTING OF FROM 0.05 TO 3% BY WEIGHT OF BENTONITE AS TO THE MIXTURE OBTAINED AND FROM 0.05 TO 2% BY WEIGHT, AS TO THE SINTERED PRODUCT, OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF METHYLCELLULOSE, PROPYLENE GLYCOL ALGINATE AND AMMONIUM ALGINATE; COMPACTING THE MIXTURE OBTAINED INTO THE SHAPE DESIRED; AND SINTERING THE SHAPES FORMED IN AN ATMOSPHERE REACTIVE WITH THE DENSIFIER SO AS TO REDUCE THE DENSIFIER AND CONVERT IT TO A REFRACTORY COMPOUND.
Claim 2
Dependent Claim
141 words
A PROCESS OF MAKING URANIUM-DIOXIDE-BASE FUEL BODIES FOR NUCLEAR RACTORS, COMPRISING ADDING TO URANIUM DIOXIDE FROM 0.1 TO 1% BY WEIGHT OF AN OXIDIC DENSIFIER THAT CAN BE READILY CONVERTED TO A HEAT-CONDUCTING REFRACTORY COMPOUND, SAID DENSIFIER BEING SELECTED FROM THE GROUP CONSISTING OF TIN OXIDE, ALUMINUM OXIDE, ZIRCONIUM OXIDE, FERRIC OXIDE, ZINC OXIDE, CHROMIUM OXIDE, MOLYBDENUM OXIDE, TITANIUMOXIDE AND NIOBIUM OXIDE; ADDING A PLASTICIZER CONSISTING OF FROM 0.05 TO 3% BY WEIGHT OF BENTONITE AS TO THE MIXTURE OBTAINED AND FROM 0.05 TO 2% BY WEIGHT, AS TO THE SINTERED PRODUCT, OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF METHYLCELLULOSE, PROPYLENE GLYCOL ALGINATE AND AMMONIUM ALGINATE; COMPACTING THE MIXTURE OBTAINED INTO THE SHAPE DESIRED; AND SINTERING THE SHAPES FORMED IN AN ATMOSPHERE REACTIVE WITH THE DENSIFIER SO AS TO REDUCE THE DENSIFIER AND CONVERT IT TO A REFRACTORY COMPOUND.
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |