US2761758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for recovery of uranium
Assignee: Individual
•
Filing: 1950-08-04
•
Granted: 1956-09-04
•
Expires: 1970-08-04
Abstract
No abstract record available.
Inventors
- 👤 Ray S Long
- 👤 Richard H Bailes
- 👤 Haven Eugene S De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:33
CPC Classifications
C; C01; C01G; C01G43/00; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/0278; C22B60/0282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE PROCESS FOR RECOVERING URANIUM FROM AN ACIDIC PHOSPHATIC SOLUTION COMPRISING REDUCING THE URANIUM IN SAID SOLUTION TO THE TETRAVALENT STATE, THEN REACTING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ANTIMONY METAL, ANTIMONY TRIOXIDE, ANTIMONY TRICHLORIDE AND ANTIMONY TARTRATE WITH THE SOLUTION TO PRODUCE AN ANTIMONIAL PHOSPHATE PRECIPITATE CONTAINING SAID URANIUM, LEACHING URANIUM FROM SAID PRECIPITATE WITH A SOLUTION CONTAINING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF AMMONIUM HYDROXIDE, SODIUM CARBONATE, AND SODIUM HYDROXIDE, AND RECOVERING URANIUM FROM THE LEACH SOLUTION,
Claim 2
Dependent Claim
83 words
THE PROCESS FOR RECOVERING URANIUM FROM AN ACIDIC PHOSPHATIC SOLUTION COMPRISING REDUCING THE URANIUM IN SAID SOLUTION TO THE TETRAVALENT STATE, THEN REACTING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ANTIMONY METAL, ANTIMONY TRIOXIDE, ANTIMONY TRICHLORIDE AND ANTIMONY TARTRATE WITH THE SOLUTION TO PRODUCE AN ANTIMONIAL PHOSPHATE PRECIPITATE CONTAINING SAID URANIUM, LEACHING URANIUM FROM SAID PRECIPITATE WITH A SOLUTION CONTAINING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF AMMONIUM HYDROXIDE, SODIUM CARBONATE, AND SODIUM HYDROXIDE, AND RECOVERING URANIUM FROM THE LEACH SOLUTION,
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) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |