US2873165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uranium recovery process
Assignee: Individual
•
Filing: 1950-05-26
•
Granted: 1959-02-10
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Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 Richard H Bailes
- 👤 Ray S Long
- 👤 Robert S Olson
- 👤 Herbert O Kerlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:11
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/0278; C01; C01G; C01G43/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD OF RECOVERING URANIUM VALUE FROM A PHOSPHATIC SOLUTION CONTAINING IMPURITY MATERIALS THE FLUORIDES OF WHICH ARE INSOLUBLE IN SAID PHOSPHATIC SOLUTION COMPRISING REDUCING THE URANIUM TO THE URANOUS STATE IN THE SOLUTION, ADDING A SOLUBL E CALCIUM COPRECIPITANT COMPOUND TO SAID SOLUTION, ADDING A SOLUBLE FLUORIDE TO SAID SOLUTION,WHERBY SAID COPRECIPITATED AND SOME OF SAID IMPURITIES ARE COPRECIPITATED WITH THE URANIUM TO FORM A COMPLEX FLUORIDE PRECIPITATE, LEACHING URANIUM FROM THE
Claim 2
Independent Claim
73 words
THE METHOD OF RECOVERING URANIUM VALUE FROM A PHOSPHATIC SOLUTION CONTAINING IMPURITY MATERIALS THE FLUORIDES OF WHICH ARE INSOLUBLE IN SAID PHOSPHATIC SOLUTION COMPRISING REDUCING THE URANIUM TO THE URANOUS STATE IN THE SOLUTION, ADDING A SOLUBL E CALCIUM COPRECIPITANT COMPOUND TO SAID SOLUTION, ADDING A SOLUBLE FLUORIDE TO SAID SOLUTION,WHERBY SAID COPRECIPITATED AND SOME OF SAID IMPURITIES ARE COPRECIPITATED WITH THE URANIUM TO FORM A COMPLEX FLUORIDE PRECIPITATE, LEACHING URANIUM FROM THE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |