US2933369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentration of pu using oxalate type carrier
Assignee: Individual
•
Filing: 1944-09-28
•
Granted: 1960-04-19
•
Expires: 1964-09-28
Abstract
No abstract record available.
Inventors
- 👤 David M Ritter
- 👤 Robert P S Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:55
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; C; C01; C01G; C01G56/00; C01G56/001; C01G56/002; C22; C22B; C22B60/00; C22B60/02; C22B60/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A PROCESS FOR THE RECOVERY OF PLUTONIUM VALUES FROM AN AQUEOUS SOLUTION CONTAINING THE SAME COMPRISING PRECIPITATING URANOUS OXALATE THEREIN TO THEREBY CARRIER PRECIPITATE SAID PLUTONIUM VALUES FROM SOLUTION THEREWITH, THE IMPROVED METHOD FOR SUBSEQUENT PROCESS WHICH COMPRISES CONTACTING THE RESULTING OXALATE CARRIER PRECIPITATE WITH AN AQUEOUS SOLUTION OF A REAGENT CHOSE FROM THE GROUP CONSISTING OF THE CARBONITES AND OXALATES OF ALKALI METALS AND AMMONIUM TO THEREBY DISSOLVE THE OXALATE PRECIPITATE TOGETHER WITH SAID PLUTONIUM VALUES CARRIED THEREIN, THEREUPON INCORPORATING IN THE RESULTING SOLUTION OF AN EXODANT SELECTED FROM THE GROUP CONSISTING OF HYDROXYLAMINE AND HYDROGEN PEROXIDE TO THEREBY OXIDIZE DISSOLVE URANEOUS IONS TO THE URANYL OXIDATION STATE, THEREAFTER ACIDIFYING THE SOLUTION, AND PROVIDING A SOURCE OF URANOUS IONS THEREIN THEREBY PRECIPATING URANOUS OXALATE TO THEREBY CARRIER PRECIPITATE SAID PLUTONIUM VALUES FROM SOLUTION THEREWITH.
Claim 2
Dependent Claim
136 words
IN A PROCESS FOR THE RECOVERY OF PLUTONIUM VALUES FROM AN AQUEOUS SOLUTION CONTAINING THE SAME COMPRISING PRECIPITATING URANOUS OXALATE THEREIN TO THEREBY CARRIER PRECIPITATE SAID PLUTONIUM VALUES FROM SOLUTION THEREWITH, THE IMPROVED METHOD FOR SUBSEQUENT PROCESS WHICH COMPRISES CONTACTING THE RESULTING OXALATE CARRIER PRECIPITATE WITH AN AQUEOUS SOLUTION OF A REAGENT CHOSE FROM THE GROUP CONSISTING OF THE CARBONITES AND OXALATES OF ALKALI METALS AND AMMONIUM TO THEREBY DISSOLVE THE OXALATE PRECIPITATE TOGETHER WITH SAID PLUTONIUM VALUES CARRIED THEREIN, THEREUPON INCORPORATING IN THE RESULTING SOLUTION OF AN EXODANT SELECTED FROM THE GROUP CONSISTING OF HYDROXYLAMINE AND HYDROGEN PEROXIDE TO THEREBY OXIDIZE DISSOLVE URANEOUS IONS TO THE URANYL OXIDATION STATE, THEREAFTER ACIDIFYING THE SOLUTION, AND PROVIDING A SOURCE OF URANOUS IONS THEREIN THEREBY PRECIPATING URANOUS OXALATE TO THEREBY CARRIER PRECIPITATE SAID PLUTONIUM VALUES FROM SOLUTION THEREWITH.
References Cited (Backward Citations)
US2206634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |