Patent US3265627A successfully refreshed from Google Patents.
US3265627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Addition of lithium values in conversion of fission-product wastes to a glass-like solid for disposal
Assignee: Individual
•
Filing: 1965-03-04
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Granted: 1966-08-09
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Walter E Clark
- 👤 Curtis L Fitzgerald
- 👤 George D Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:01
CPC Classifications
G; G21; G21F; G21F9/00; G21F9/28; G21F9/30; G21F9/301; G21F9/302; G21F9/305; C; C03; C03C; C03C1/00; C03C1/002; C03C3/00; C03C3/12; C03C3/16; C03C3/17; C03C3/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN THE PROCESS FOR CONVERSION OF A NITRIC-ACID FISSION-PRODUCT-CONTAINING SOLUTION OBTAINED BY CHEMICAL REPROCESSING OF IRRADICATED NUCLEAR REACTOR FUEL TO A GLASSLIKE SOLID FOR DISPOSAL WHICH COMPRISES EVAPORATING SAID SOLUTION, CALCINING THE RESULTING SOLIDS, HEATING SAID SOLIDS TO THE MELTING POINT AND SOLIDIFYING THE RESULTING MELT, THE COMPOSITION OF SAID SOLUTION BEING ADJUSTED TO PROVIDE A GLASS-FORMING MIXTURE UPON CALCINATION, AND SAID SOLUTION CONTAINING A SUBSTANTIAL AMOUNT OF ALKALI METAL VALUES, THE IMPROVEMENT WHEREIN SAID ALKALI METAL VALURES ARE LITHIUM VALUES AND SODIUM VALUES AT A LITHIUM-TOSODIUM MOLAR RATIO OF 0.75:1 TO 1.5:1.
Claim 2
Dependent Claim
93 words
IN THE PROCESS FOR CONVERSION OF A NITRIC-ACID FISSION-PRODUCT-CONTAINING SOLUTION OBTAINED BY CHEMICAL REPROCESSING OF IRRADICATED NUCLEAR REACTOR FUEL TO A GLASSLIKE SOLID FOR DISPOSAL WHICH COMPRISES EVAPORATING SAID SOLUTION, CALCINING THE RESULTING SOLIDS, HEATING SAID SOLIDS TO THE MELTING POINT AND SOLIDIFYING THE RESULTING MELT, THE COMPOSITION OF SAID SOLUTION BEING ADJUSTED TO PROVIDE A GLASS-FORMING MIXTURE UPON CALCINATION, AND SAID SOLUTION CONTAINING A SUBSTANTIAL AMOUNT OF ALKALI METAL VALUES, THE IMPROVEMENT WHEREIN SAID ALKALI METAL VALURES ARE LITHIUM VALUES AND SODIUM VALUES AT A LITHIUM-TOSODIUM MOLAR RATIO OF 0.75:1 TO 1.5:1.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |