US2767044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plutonium recovery process
Assignee: Individual
•
Filing: 1947-12-02
•
Granted: 1956-10-16
•
Expires: 1967-12-02
Abstract
No abstract record available.
Inventors
- 👤 Orville F Hill
- 👤 Stanley G Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:09
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A PROCESS FOR THE RECOVERY OF PLUTONIUM FROM NEUTRON-IRRADIATED URANIUM, THE STEPS WHICH COMPRISE OXIDIZING THE PLUTONIUM CONTAINED IN AN AQUEOUS SOLUTION OF A SALT OF NEUTRON-IRRADIATED URANIUM TO THE HEXAVALENT STATE, REACTING THE SOLUTION WITH AN ALKALI METAL CARBONATE WHEREBY THE HEXAVALENT PLUTONIUM IONS ARE COMPLEXED WITH CARBONATE IONS, FORMINGA BY-PRODUCT CARRIER PRECIPITATE IN THE SOLUTION WHICH WILL CARRY CONTAMINANTS BUT NOT HEXAVALENT PLUTONIUM IONS AND SEPARATING IT THEREFROM, REDUCING THE PLUTONIUM ION CONTAINED IN THE SOLUTION TO AN OXIDATION STATE LESS THAN +5, FORMING A PRODUCT CARRIER PRECIPITATE IN THE SOLUTION WHICH WILL CARRY THE TRIVALENT AND QUADRIVALENT PLUTONIUM PRESENT BUT NOT THE CONTAMINANTS AND SEPARATING IT THEREFROM.
Claim 2
Dependent Claim
111 words
IN A PROCESS FOR THE RECOVERY OF PLUTONIUM FROM NEUTRON-IRRADIATED URANIUM, THE STEPS WHICH COMPRISE OXIDIZING THE PLUTONIUM CONTAINED IN AN AQUEOUS SOLUTION OF A SALT OF NEUTRON-IRRADIATED URANIUM TO THE HEXAVALENT STATE, REACTING THE SOLUTION WITH AN ALKALI METAL CARBONATE WHEREBY THE HEXAVALENT PLUTONIUM IONS ARE COMPLEXED WITH CARBONATE IONS, FORMINGA BY-PRODUCT CARRIER PRECIPITATE IN THE SOLUTION WHICH WILL CARRY CONTAMINANTS BUT NOT HEXAVALENT PLUTONIUM IONS AND SEPARATING IT THEREFROM, REDUCING THE PLUTONIUM ION CONTAINED IN THE SOLUTION TO AN OXIDATION STATE LESS THAN +5, FORMING A PRODUCT CARRIER PRECIPITATE IN THE SOLUTION WHICH WILL CARRY THE TRIVALENT AND QUADRIVALENT PLUTONIUM PRESENT BUT NOT THE CONTAMINANTS AND SEPARATING IT THEREFROM.
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |