US2860949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plutonium separation method
Assignee: Individual
•
Filing: 1953-11-20
•
Granted: 1958-11-18
•
Expires: 1973-11-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Loren J Beaufait
- 👤 Frederick R Stevenson
- 👤 Gerhard K Rollefson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:25
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; C; C01; C01G; C01G56/00; C01G56/001; C01G56/002; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE METHOD OF RECOVERING PLUTONIUM IONS FROM NEUTRON-IRRADIATED URANIUM IONS WHICH COMPRISES FORMING AN AQUEOUS SOLUTION CONTAINING URANIUM IONS, TETRAVALENT PLUTONIUM IONS AND IONS OF FISSION PRODUCTS, BUFFERING SAID SOLUTION TO A PH OF 4-7, ADDING SUFFICIENT EXCESS ACETATE ION TO THE SOLUTION TO COMPLEX THE URANYL ION PRESENT, TREATING THE SOLUTION WITH A FERRIC HYDROXIDE PRECIPITATE, SEPARATING SAID PRECIPITATE TOGETHER WITH ASSOCIATED PLUTONIUM IONS AND IONS OF FISSION PRODUCTS FROM THE SOLUTION, DISSOLVING SAID CARRIER PRECIPITATE IN AN AQUEOUS MINERAL ACID SOLUTION, OXIDIZING THE PLUTONIUM VALUES PRESENT IN THE SOLUTION TO THE HEXAVALENT STATE, TREATING THE RESULTANT SOLUTION WITH A FERRIC HYDROXIDE PRECIPITATE, AND THEN SEPARATING SAID PRECIPITATE TOGETHER WITH ASSOCIATED IONS OF FISSION PRODUCTS FROM THE SOLUTION CONTAINING THE PURIFIED PLUTONIUM IONS.
Claim 2
Independent Claim
124 words
THE METHOD OF RECOVERING PLUTONIUM IONS FROM NEUTRON-IRRADIATED URANIUM IONS WHICH COMPRISES FORMING AN AQUEOUS SOLUTION CONTAINING URANIUM IONS, TETRAVALENT PLUTONIUM IONS AND IONS OF FISSION PRODUCTS, BUFFERING SAID SOLUTION TO A PH OF 4-7, ADDING SUFFICIENT EXCESS ACETATE ION TO THE SOLUTION TO COMPLEX THE URANYL ION PRESENT, TREATING THE SOLUTION WITH A FERRIC HYDROXIDE PRECIPITATE, SEPARATING SAID PRECIPITATE TOGETHER WITH ASSOCIATED PLUTONIUM IONS AND IONS OF FISSION PRODUCTS FROM THE SOLUTION, DISSOLVING SAID CARRIER PRECIPITATE IN AN AQUEOUS MINERAL ACID SOLUTION, OXIDIZING THE PLUTONIUM VALUES PRESENT IN THE SOLUTION TO THE HEXAVALENT STATE, TREATING THE RESULTANT SOLUTION WITH A FERRIC HYDROXIDE PRECIPITATE, AND THEN SEPARATING SAID PRECIPITATE TOGETHER WITH ASSOCIATED IONS OF FISSION PRODUCTS FROM THE SOLUTION CONTAINING THE PURIFIED PLUTONIUM IONS.
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) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |