Patent US3214239A successfully refreshed from Google Patents.
US3214239A
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US
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Recovery of metal values from aqueous solution by solvent extraction with an organo phosphorus extractant
Assignee: KERR MC GEE OIL IND Inc
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Filing: 1962-07-02
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Granted: 1965-10-26
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Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Wayne C Hazen
- 👤 Angus V Henrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:50
CPC Classifications
C; C01; C01G; C01G31/00; C01G31/003; C22; C22B; C22B3/00; C22B3/20; C22B3/26; C22B3/38; C22B3/384; C22B3/3842; C22B3/3844; C22B3/3846; C22B3/386; C22B3/387; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A PROCESS FOR THE RECOVERY OF METAL VALUES INCLUDING THE STEPS OF INTIMATELY CONTACTING AN AQUEOUS SOLUTION CONTAINING A DISSOLVED SUBSTANCE PROVIDING FERROUS ION AND DESIRED METAL VALUES TO BE RECOVERED WITH A SUBSTANTIALLY WATER IMMISCIBLE ORGANIC SOLVENT EXTRACTANT TO PRODUCE A LOADED SOLVENT EXTRACTANT PHASE CONTAINING ABSORBED FERROUS ION AND DESIRED METAL VALUES, THE DESIRED METAL VALUES CONSISTING ESSENTIALLY OF AT LEAST ONE SUBSTANCE EXTRACTABLE BY THE SAID ORGANIC SOLVENT EXTRACTANT SELECTED FROM THE GROUP CONSISTING OF URANIUM VALUES, VANADIUM VALUES, COPPER VALUES, AND ZINC VALUES, THE AQUEOUS SOLUTION BEING INTIMATELY CONTACTED WITH A SOLUTION IN A SUBSTANTIALLY WATER IMMISCIBLE INERT ORGANIC LIQUID CARRIER OF AT LEAST ONE ORGANO-PHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOORGANO PHOSPHORIC ACID ESTERS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
126 words
IN A PROCESS FOR THE RECOVERY OF METAL VALUES INCLUDING THE STEPS OF INTIMATELY CONTACTING AN AQUEOUS SOLUTION CONTAINING A DISSOLVED SUBSTANCE PROVIDING FERROUS ION AND DESIRED METAL VALUES TO BE RECOVERED WITH A SUBSTANTIALLY WATER IMMISCIBLE ORGANIC SOLVENT EXTRACTANT TO PRODUCE A LOADED SOLVENT EXTRACTANT PHASE CONTAINING ABSORBED FERROUS ION AND DESIRED METAL VALUES, THE DESIRED METAL VALUES CONSISTING ESSENTIALLY OF AT LEAST ONE SUBSTANCE EXTRACTABLE BY THE SAID ORGANIC SOLVENT EXTRACTANT SELECTED FROM THE GROUP CONSISTING OF URANIUM VALUES, VANADIUM VALUES, COPPER VALUES, AND ZINC VALUES, THE AQUEOUS SOLUTION BEING INTIMATELY CONTACTED WITH A SOLUTION IN A SUBSTANTIALLY WATER IMMISCIBLE INERT ORGANIC LIQUID CARRIER OF AT LEAST ONE ORGANO-PHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOORGANO PHOSPHORIC ACID ESTERS OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2767045A
Cited
US2860031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |