US2780532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uranium separation process
Assignee: Individual
•
Filing: 1948-08-13
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Granted: 1957-02-05
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Expires: 1968-08-13
Abstract
No abstract record available.
Inventors
- 👤 Raymond M Hainer
- 👤 Evers Ernest Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:33
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PROCESS OF SEPARATING URANYL NITRATE FROM AN AQUEOUS SOLUTION ALSO CONTAINING AT LEAST ONE OTHER METAL IN SOLUTION AND IN WHICH THE PREDOMINANT ANION AFTER THE INCLUSION OF THE SALTING OUT AGENT IS THE NITRATE ION WHICH COMPRISES INCLUDING IN SAID SOLUTION A SALTING OUT AGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM NITRATE AND NITRATES OF DIVALENT AND TRIVALENT METALS, EXTRACTING SAID SOLUTIONS WITH A DIALKYL ETHER OF A POLYETHYLENE GLYCOL, AND THEN WASHING SAID DIALKYL ETHER WITH A LIQUID SELECTED FROM THE GROUP CONSISTING OF WATER, WATER CONTAINING A DISSOLVED BASE, AND AN AQUEOUS AMMONIUM SULFATE SOLUTION TO RECOVER THE URANYL NITRATE FROM SAID DIALKYL ETHER OF A POLYETHYLENE GLYCOL.
Claim 2
Dependent Claim
113 words
A PROCESS OF SEPARATING URANYL NITRATE FROM AN AQUEOUS SOLUTION ALSO CONTAINING AT LEAST ONE OTHER METAL IN SOLUTION AND IN WHICH THE PREDOMINANT ANION AFTER THE INCLUSION OF THE SALTING OUT AGENT IS THE NITRATE ION WHICH COMPRISES INCLUDING IN SAID SOLUTION A SALTING OUT AGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM NITRATE AND NITRATES OF DIVALENT AND TRIVALENT METALS, EXTRACTING SAID SOLUTIONS WITH A DIALKYL ETHER OF A POLYETHYLENE GLYCOL, AND THEN WASHING SAID DIALKYL ETHER WITH A LIQUID SELECTED FROM THE GROUP CONSISTING OF WATER, WATER CONTAINING A DISSOLVED BASE, AND AN AQUEOUS AMMONIUM SULFATE SOLUTION TO RECOVER THE URANYL NITRATE FROM SAID DIALKYL ETHER OF A POLYETHYLENE GLYCOL.
References Cited (Backward Citations)
US2227833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |