US2823978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precipitation method of separating plutonium from contaminating elements
Assignee: Individual
•
Filing: 1947-05-23
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Granted: 1958-02-18
•
Expires: 1967-05-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Sutton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:12
CPC Classifications
C; 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
84 words
IN A PROCESS FOR FOR RECOVERING PLUTONIUM FROM RAADIOACTIVE URANIUM FISSION PRODUCTS IN AQUEOUS SOLUTIONS BY DECONTAMINATION STEPS INCLUDING BY-PRODUCT CARRIER PRECIPITATION, THE IMPROVEMENT WHICH COMPRISES INTRODUCING A PREFORMED AQUEOUS SLURRY OF A HYDROXIDE OF A METAL OF GROUP 1V B INTO AN AQUEOUS ACIDIC SOLUTION IN WHICH THE ACIDITY OF THE SOLUTION IS BETWEEN ABOUT 0.5 N AND 1 N AND WHICH CONTAAINS THE PLUTONIUM IN THE HEXAVALENT STATE, BY-PRODUCT CARRIER PERCIPITATE AND SEPARATING SAID METAL HYDROXIDE TOGETHER WITH THE BY-PRODUCT CARRIER PRECIPITATE.
Claim 2
Dependent Claim
84 words
IN A PROCESS FOR FOR RECOVERING PLUTONIUM FROM RAADIOACTIVE URANIUM FISSION PRODUCTS IN AQUEOUS SOLUTIONS BY DECONTAMINATION STEPS INCLUDING BY-PRODUCT CARRIER PRECIPITATION, THE IMPROVEMENT WHICH COMPRISES INTRODUCING A PREFORMED AQUEOUS SLURRY OF A HYDROXIDE OF A METAL OF GROUP 1V B INTO AN AQUEOUS ACIDIC SOLUTION IN WHICH THE ACIDITY OF THE SOLUTION IS BETWEEN ABOUT 0.5 N AND 1 N AND WHICH CONTAAINS THE PLUTONIUM IN THE HEXAVALENT STATE, BY-PRODUCT CARRIER PERCIPITATE AND SEPARATING SAID METAL HYDROXIDE TOGETHER WITH THE BY-PRODUCT CARRIER PRECIPITATE.
References Cited (Backward Citations)
US2776185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |