US2864667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anionic exchange process for the recovery of uranium and vanadium from carbonate solutions
Assignee: Individual
•
Filing: 1953-06-16
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Granted: 1958-12-16
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Expires: 1973-06-16
Abstract
No abstract record available.
Inventors
- 👤 Richard H Bailes
- 👤 David A Ellis
- 👤 Ray S Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:07
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/0265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A PROCESS FOR RECOVERING URANIUM AND VANDIUM FROM A CARBONATE LEACH SOLUTION, THE STEPS COMPRISING ADSORBING THE URANIUM AND VANADIUM FROM SAID SOLUTION WITH A STRONGLY BASIC ANIONIC EXCHANGE RESIN, FIRST SELECTIVELY ELUTING URANIUM FROM SAID RESIN WITH AN AMMONIUM SULFATE SOLUTION, THEN ELUTING VANADIUM FROM SAID RESIN SUBSEQUENT TO SAID URANIUM ELUTION WITH AN AGENT SELECTED FROM THE GROUP CONSISTING OF ABOVE ABOUT 5 M NACL SOLUTION, (NH4)ICO3 SOLUTION, NAHCO3 SOLUTION, ABOUT 1 M
Claim 2
Dependent Claim
76 words
IN A PROCESS FOR RECOVERING URANIUM AND VANDIUM FROM A CARBONATE LEACH SOLUTION, THE STEPS COMPRISING ADSORBING THE URANIUM AND VANADIUM FROM SAID SOLUTION WITH A STRONGLY BASIC ANIONIC EXCHANGE RESIN, FIRST SELECTIVELY ELUTING URANIUM FROM SAID RESIN WITH AN AMMONIUM SULFATE SOLUTION, THEN ELUTING VANADIUM FROM SAID RESIN SUBSEQUENT TO SAID URANIUM ELUTION WITH AN AGENT SELECTED FROM THE GROUP CONSISTING OF ABOVE ABOUT 5 M NACL SOLUTION, (NH4)ICO3 SOLUTION, NAHCO3 SOLUTION, ABOUT 1 M
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |