US3276850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of selectively reducing plutonium values
Assignee: Individual
•
Filing: 1965-03-10
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Granted: 1966-10-04
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Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Robert H Rainey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:00
CPC Classifications
C; C07; C07D; C07D453/00; C07D453/02; C07D453/04; C01; C01G; C01G56/00; C01G56/001; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026; 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
113 words
IN LIQUID-LIQUID EXTRACTION PROCESS FOR SEPRATING PLUTONIUM VALUE FROM URANIUM VALUES COMPRISING THE STEPS OF CONTACTING AN AQUEOUS SOLUTION CONTAINING PLUTONIUM VALUES AND URANIUM VALUES WITH A SUBSTANTIALLY WTER-IMMISCIBLE ORGANIC SOLUTION OF TRIBUTYLPHOSPHATE UNDER CONDITIONS WHEREBY PLUTONIUM AND URANIUM VALUES TRANSFER INTO SAID ORGANIC SOLUTION; SEPARATING THE RESULTING ORGANIC SOLUTION FROM THE DEPLETED AQUEOUS SOLUTION; AND CONTACTING THE SEPARATED ORGANIC SOLUTION WITH AN AQUEOUS STRIPPIMG SOLUTION CONTAINING A REDUCING AGENT CAPABLE OF SELECTIVELY REDUCING PLUTONIUM TO THE TRIVALENT STATE WHEREBY PLUTONIUM VALUES SELECTIVELY TRANSFER INTO SAID AQUEOUS STRIPPING SOLUTION, THE IMPROVEMENT WHEREIN SAID REDUCING AGENT IS A GASEOUS MIXTURE CONTAINING HYDROGEN AND SAID CONTACT IS MADE IN THE PRESENCE OF A HYDROGENATION CATALYST.
Claim 2
Dependent Claim
113 words
IN LIQUID-LIQUID EXTRACTION PROCESS FOR SEPRATING PLUTONIUM VALUE FROM URANIUM VALUES COMPRISING THE STEPS OF CONTACTING AN AQUEOUS SOLUTION CONTAINING PLUTONIUM VALUES AND URANIUM VALUES WITH A SUBSTANTIALLY WTER-IMMISCIBLE ORGANIC SOLUTION OF TRIBUTYLPHOSPHATE UNDER CONDITIONS WHEREBY PLUTONIUM AND URANIUM VALUES TRANSFER INTO SAID ORGANIC SOLUTION; SEPARATING THE RESULTING ORGANIC SOLUTION FROM THE DEPLETED AQUEOUS SOLUTION; AND CONTACTING THE SEPARATED ORGANIC SOLUTION WITH AN AQUEOUS STRIPPIMG SOLUTION CONTAINING A REDUCING AGENT CAPABLE OF SELECTIVELY REDUCING PLUTONIUM TO THE TRIVALENT STATE WHEREBY PLUTONIUM VALUES SELECTIVELY TRANSFER INTO SAID AQUEOUS STRIPPING SOLUTION, THE IMPROVEMENT WHEREIN SAID REDUCING AGENT IS A GASEOUS MIXTURE CONTAINING HYDROGEN AND SAID CONTACT IS MADE IN THE PRESENCE OF A HYDROGENATION CATALYST.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |