the extracting agent being an ester or a mixture of esters

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CPC
C01B25/465

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CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B25/00Phosphorus Compounds thereof

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C01B25/465the extracting agent being an ester or a mixture of esters

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Patents Grantslast 30 patents

Information Patent Grant
Process for removing iron, chromium and vanadium from phosphoric acid
- Patent number 5,006,319
- Issue date Apr 9, 1991
- FMC Corporation
- Richard E. Hall
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying phosphoric acid
- Patent number 4,780,295
- Issue date Oct 25, 1988
- FMC Corporation
- Jeffrey C. Dore
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of wet-process phosphoric acid
- Patent number 4,769,226
- Issue date Sep 6, 1988
- Rhone-Poulenc Chimie de Base
- Louis Winand
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of purifying phosphoric acid
- Patent number 4,394,361
- Issue date Jul 19, 1983
- FMC Corporation
- Sidney Berkowitz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of regenerating phosphoric acid extraction solvent
- Patent number 4,311,681
- Issue date Jan 19, 1982
- FMC Corporation
- John S. C. Chiang
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents