Patent US4197892A successfully refreshed from Google Patents.
Patent US3580705A successfully refreshed from Google Patents.
US3580705A
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US
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Selective stripping of plutonium from organic extracts
Assignee: United States Atomic Energy Commission
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Filing: 1968-10-02
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Granted: 1971-05-25
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Expires: 1988-10-02
Abstract
Abstract ENABLES QUANTITATIVE STRIPPING OF THE PLUTONIUM AQUEOUS SOLUTIONS OF HYDROCHLORIC ACID. DIALKYL SUBSTITUTED HYDROQUINONES DISSLVED IN AN ORGAINIC SOLVENT HAVE BEEN FOUND EFFECTIVE IN REDUCING PLUTONIUM IN THE +4 AND +6 OXIDATIN STATES DISSOLVED IN DIESTERS OF ORTHOPHOSPHORIC ACIDS SUCH AS DI(2-ETHYLHEXYL) PHOSPHORIC ACID TO THE +3 OXIDATION STATE. THIS
Inventors
- 👤 Charles Coleman
- 👤 Boyd S Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:39
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026; C22B60/04
Claims Analysis
Total Claims: 0
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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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |