Patent US2697518A successfully refreshed from Google Patents.
US2697518A
Expired / Lapsed
US
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Flotation methods for uranium ores
Assignee: Individual
•
Filing: 1950-11-15
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Granted: 1954-12-21
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Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 George A Bennett
- 👤 Preston L Veltman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:11
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/001; B03D1/004; B03D1/008; B03D2203/00; B03D2203/02; B03D2203/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE PROCESS OF RECOVERING URANIUM VALUES FROM ARTIFICIAL ORE-LIKE MATERIALS CONTAINING URANIUM OXIDES WHICH COMPRISES PULPING THE FINELY DIVIDED MATERIAL WITH A SOLUTION CONSISTING OF WATER TOGETHER WITH AT LEAST ONE FLOTATION AGENT CHOSEN FROM THE CLASS CONSISTING OF ANIONIC AND NON-IONIC SYNTHETIC DETERGENTS AND SOLUBLE SOAPS OF FATTY ACIDS AND ROSIN ACIDS, SAID SOLUTION BEING DEVOID OF OTHER CONDITIONERS, FROTHERS, PROMOTERS, AND DEPRESSANTS, AND SUBJECTING SAID PULP TO FLOTATION PROCEDURE, WHEREBY THE URANIUM VALUES ARE CONCENTRATED IN THE FROTH AND MAY BE RECOVERED THEREFROM.
Claim 2
Dependent Claim
85 words
THE PROCESS OF RECOVERING URANIUM VALUES FROM ARTIFICIAL ORE-LIKE MATERIALS CONTAINING URANIUM OXIDES WHICH COMPRISES PULPING THE FINELY DIVIDED MATERIAL WITH A SOLUTION CONSISTING OF WATER TOGETHER WITH AT LEAST ONE FLOTATION AGENT CHOSEN FROM THE CLASS CONSISTING OF ANIONIC AND NON-IONIC SYNTHETIC DETERGENTS AND SOLUBLE SOAPS OF FATTY ACIDS AND ROSIN ACIDS, SAID SOLUTION BEING DEVOID OF OTHER CONDITIONERS, FROTHERS, PROMOTERS, AND DEPRESSANTS, AND SUBJECTING SAID PULP TO FLOTATION PROCEDURE, WHEREBY THE URANIUM VALUES ARE CONCENTRATED IN THE FROTH AND MAY BE RECOVERED THEREFROM.
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) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |