the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound

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CPC
C01B25/461

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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

Current Industry

C01B25/461the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing crystalline electrode materials and materials...
- Patent number 9,871,245
- Issue date Jan 16, 2018
- Johnson Matthey Public Limited Company
- Michel Gauthier
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of ammonium phosphates
- Patent number 9,738,522
- Issue date Aug 22, 2017
- EasyMining Sweden AB
- Yariv Cohen
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method of producing phosphoric acid salt
- Patent number 7,687,046
- Issue date Mar 30, 2010
- ECOPHOS
- Mohamed Takhim
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method for the production of phosphoric acid and/or a salt thereof...
- Patent number 7,361,323
- Issue date Apr 22, 2008
- ECOPHOS
- Mohamed Takhim
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Extraction of acids and metal salts from aqueous solutions with die...
- Patent number 5,682,593
- Issue date Oct 28, 1997
- Bayer Aktiengesellschaft
- Christoph Holzner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Membrane extraction with thermodynamically unstable diphosphonic ac...
- Patent number 5,678,242
- Issue date Oct 14, 1997
- Arch Development Corporation
- Earl Philip Horwitz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Extracting metal ions with diphosphonic acid, or derivative thereof
- Patent number 5,332,531
- Issue date Jul 26, 1994
- Arch Development Corporation
- Earl P. Horwitz
- C07 - ORGANIC CHEMISTRY
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
Continuous process for complete removal or organic impurities from...
- Patent number 4,906,445
- Issue date Mar 6, 1990
- Hoechst Aktiengesellschaft
- Gunther Schimmel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of phosphoric acid
- Patent number 4,877,594
- Issue date Oct 31, 1989
- J. R. Simplot Co.
- Laurence W. Bierman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for removing organic materials dissolved in purified phospho...
- Patent number 4,820,501
- Issue date Apr 11, 1989
- Tosoh Corporation
- Masaki Nakatani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making phosphoric acid free from titanium
- Patent number 4,806,324
- Issue date Feb 21, 1989
- Hoechst Aktiengesellschaft
- Gunther Schimmel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing phosphoric acid and/or phosphates from wet-pr...
- Patent number 4,781,905
- Issue date Nov 1, 1988
- Jiang Yu-Ming
- 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
Process for the precipitation and separation of cadmium sulphide fr...
- Patent number 4,762,692
- Issue date Aug 9, 1988
- Chemische Fabrik Budenheim Rudolf A. Oetker
- Klaus Beltz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for dearsenifying phosphoric acid solutions
- Patent number 4,668,492
- Issue date May 26, 1987
- Hoechst Aktiengesellschaft
- G/u/ nther Schimmel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of decolorizing wet process phosphoric acid
- Patent number 4,643,883
- Issue date Feb 17, 1987
- International Minerals & Chemical Corp.
- Earl E. Borchert
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for decontaminating phosphoric acid
- Patent number 4,629,614
- Issue date Dec 16, 1986
- Hoechst Aktiengesellschaft
- Gunther Schimmel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying wet-processed phosphoric acid
- Patent number 4,596,703
- Issue date Jun 24, 1986
- Hoechst Aktiengesellschaft
- Reinhard Gradi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of purified phosphoric acid
- Patent number 4,585,636
- Issue date Apr 29, 1986
- Negev Phosphates Ltd.
- Alexander Iosef
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying wet-processed phosphoric acid
- Patent number 4,556,548
- Issue date Dec 3, 1985
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for reducing the fluorine content in wet-processed phosphor...
- Patent number 4,540,557
- Issue date Sep 10, 1985
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing fluorine and organic compounds from prepurifie...
- Patent number 4,539,192
- Issue date Sep 3, 1985
- Hoechst Aktiengesellschaft
- Gunther Schimmel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for after-treating extraction residues originating from the...
- Patent number 4,457,848
- Issue date Jul 3, 1984
- Hoechst Aktiengesellschaft
- Gunther Schimmel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removal of residual organic matter from purified phosph...
- Patent number 4,457,899
- Issue date Jul 3, 1984
- Mobil Oil Corporation
- Richard G. Grotyohann
- 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
Solvent extraction method of phosphoric acid
- Patent number 4,377,562
- Issue date Mar 22, 1983
- Toyo Soda Manufacturing Co., Ltd.
- Yoichi Hiraga
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of wet-process phosphoric acid
- Patent number 4,346,066
- Issue date Aug 24, 1982
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Decolorization and purification of crude wet-process phosphoric acid
- Patent number 4,330,516
- Issue date May 18, 1982
- Rhone-Poulenc Industries
- Louis Winand
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method of producing phosphoric acid salt
- Publication number 20080267850
- Publication date Oct 30, 2008
- Mohamed Takhim
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Method for the production of phosphoric acid and/or a salt thereof...
- Publication number 20050238558
- Publication date Oct 27, 2005
- Mohamed Takhim
- C05 - FERTILISERS MANUFACTURE THEREOF

the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for preparing crystalline electrode materials and materials...

Production of ammonium phosphates

Method of producing phosphoric acid salt

Method for the production of phosphoric acid and/or a salt thereof...

Extraction of acids and metal salts from aqueous solutions with die...

Membrane extraction with thermodynamically unstable diphosphonic ac...

Extracting metal ions with diphosphonic acid, or derivative thereof

Process for removing iron, chromium and vanadium from phosphoric acid

Continuous process for complete removal or organic impurities from...

Purification of phosphoric acid

Method for removing organic materials dissolved in purified phospho...

Process for making phosphoric acid free from titanium

Process for producing phosphoric acid and/or phosphates from wet-pr...

Process for purifying phosphoric acid

Purification of wet-process phosphoric acid

Process for the precipitation and separation of cadmium sulphide fr...

Process for dearsenifying phosphoric acid solutions

Method of decolorizing wet process phosphoric acid

Process for decontaminating phosphoric acid

Process for purifying wet-processed phosphoric acid

Process for the manufacture of purified phosphoric acid

Process for purifying wet-processed phosphoric acid

Process for reducing the fluorine content in wet-processed phosphor...

Process for removing fluorine and organic compounds from prepurifie...

Process for after-treating extraction residues originating from the...

Process for removal of residual organic matter from purified phosph...

Method of purifying phosphoric acid

Solvent extraction method of phosphoric acid

Purification of wet-process phosphoric acid

Decolorization and purification of crude wet-process phosphoric acid

Patents Applicationslast 30 patents

Method of producing phosphoric acid salt

Method for the production of phosphoric acid and/or a salt thereof...