US2931701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for separating plutonium by repeated precipitation with amphoteric hydroxide carriers
Assignee: Individual
•
Filing: 1944-09-02
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Granted: 1960-04-05
•
Expires: 1964-09-02
Abstract
No abstract record available.
Inventors
- 👤 Burt F Faris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:33
CPC Classifications
C; C01; C01G; C01G56/00; C01G56/001; C01G56/002; C22; C22B; C22B60/00; C22B60/02; C22B60/04; 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
117 words
IN A PROCESS FOR SEPARATING AND CONCENTRATING PLUTONIUM VALUES FROM AN AQUEOUS SOLUTION THEREOF, THE MULTIPLE CARRIER PRECIPITATION STEPS WHICH COMPRISE PRECIPITATING IN SAID SOLUTION A HYDROXIDE OF AN AMPHOTERIC-TYPE METAL OTHER THAN PLUTONIUM, SEPARATING FROM THE SUPERNATANT, LIQUID THE CONSEQUENT METAL HYROXIDE PRECIPITATE AND THE PLUTONIUM VALUES RESULTINGLY ASSOCIATED THEREWITH, DISSOLVING THE SEPARATED PRECIPITATE TO FORM A SECOND AQUEOUS PLUTONIUM-CONTAINING SOLUTION, PRECIPITATING IN SAID SECND SOLUTION A HYDROXIDE OF A METAL OTHER THAN PLUTONIUM, AND SEPARATING FROM THE SUPERNATANT LIQUID THE CONSEQUENT METAL HYDROXIDE PRECIPITATE AND THE PLUTONIUM VALUES RESULTINGLY ASSOCIATED THEREWITH. 16 IN A PROCESS FOR SEPARATING PLUTONIUM FROM SOLUTIONS THEREOF THE STEP WHICH COMPRISES FORMING A ALUMINUM HYDROXIDE PRECIPITATE IN THE SOLUTION FOR CARRYING
Claim 2
Dependent Claim
117 words
IN A PROCESS FOR SEPARATING AND CONCENTRATING PLUTONIUM VALUES FROM AN AQUEOUS SOLUTION THEREOF, THE MULTIPLE CARRIER PRECIPITATION STEPS WHICH COMPRISE PRECIPITATING IN SAID SOLUTION A HYDROXIDE OF AN AMPHOTERIC-TYPE METAL OTHER THAN PLUTONIUM, SEPARATING FROM THE SUPERNATANT, LIQUID THE CONSEQUENT METAL HYROXIDE PRECIPITATE AND THE PLUTONIUM VALUES RESULTINGLY ASSOCIATED THEREWITH, DISSOLVING THE SEPARATED PRECIPITATE TO FORM A SECOND AQUEOUS PLUTONIUM-CONTAINING SOLUTION, PRECIPITATING IN SAID SECND SOLUTION A HYDROXIDE OF A METAL OTHER THAN PLUTONIUM, AND SEPARATING FROM THE SUPERNATANT LIQUID THE CONSEQUENT METAL HYDROXIDE PRECIPITATE AND THE PLUTONIUM VALUES RESULTINGLY ASSOCIATED THEREWITH. 16 IN A PROCESS FOR SEPARATING PLUTONIUM FROM SOLUTIONS THEREOF THE STEP WHICH COMPRISES FORMING A ALUMINUM HYDROXIDE PRECIPITATE IN THE SOLUTION FOR CARRYING
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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |