US2758007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ether extraction of uranium salt from solutions
Assignee: Individual
•
Filing: 1948-06-14
•
Granted: 1956-08-07
•
Expires: 1968-06-14
Abstract
No abstract record available.
Inventors
- 👤 Albert E Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:44
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
69 words
A PROCESS FOR RECOVERING URANIUM FROM AN AQUEOUS SOLUTION OF URANYL NITRATE CONTAINING OTHER METAL NITRATES INCLUDING COPPER NITRATE WHICH COMPRISES SUCCESSIVELY INCREASING THE CONCENTRATION OF THE COPPER NITRATE SUBSTANTIALLY TO SATURATION, TREATING THE RESULTANT AQUEOUS SOLUTION WITH DIETHYL ETHER TO EXTRACT THE URANYL NITRATE THEREFROM TO OBTAIN AN ETHER SOLUTION OF URANYL NITRATE AND STRIPPING THE ETHER SOLUTION OF URANYL NITRATE WITH WATER TO OBTAIN AQUEOUS URANYL NITRATE.
Claim 2
Dependent Claim
69 words
A PROCESS FOR RECOVERING URANIUM FROM AN AQUEOUS SOLUTION OF URANYL NITRATE CONTAINING OTHER METAL NITRATES INCLUDING COPPER NITRATE WHICH COMPRISES SUCCESSIVELY INCREASING THE CONCENTRATION OF THE COPPER NITRATE SUBSTANTIALLY TO SATURATION, TREATING THE RESULTANT AQUEOUS SOLUTION WITH DIETHYL ETHER TO EXTRACT THE URANYL NITRATE THEREFROM TO OBTAIN AN ETHER SOLUTION OF URANYL NITRATE AND STRIPPING THE ETHER SOLUTION OF URANYL NITRATE WITH WATER TO OBTAIN AQUEOUS URANYL NITRATE.
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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |