Patent US2849277A successfully refreshed from Google Patents.
US2849277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of securing plutonium in nitric acid solutions in its trivalent oxidation state
Assignee: Individual
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Filing: 1949-07-26
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Granted: 1958-08-26
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Expires: 1969-07-26
Abstract
No abstract record available.
Inventors
- 👤 John R Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:42
CPC Classifications
C; C01; C01G; C01G56/00; C01G56/001
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A PROCESS FOR THE SEPARATION OF PLUTONIUM FROM AN ORGANIC SOLVENT SOLUTION OF URANYL SALT AND A PLUTONIUM SALT HAVING A VALENCE OF AT LEAST +4, WHICH COMPRISES CONTACTING SAID ORGANIC SOLVENT SOLUTION WITH AN AQUEOUS NITRIC ACID SOLUTION CONTAINING A SALTING-OUT AGENT, FERROUS IONS AND SULFAMATE IONS, AND SEPARATING SAID AQUEOUS PHASE CONTAINING TRIVALENT PLUTONIUM SALT FROM SAID ORGANIC SOLVENT PHASE CONTAINING SAID URANYL SALT.
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |