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the extracting agent being alcohol or a mixture of alcohols
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C01B25/462
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C
CHEMISTRY METALLURGY
C01
Inorganic chemistry
C01B
NON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B25/00
Phosphorus Compounds thereof
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C01B25/462
the extracting agent being alcohol or a mixture of alcohols
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Patents Grants
last 30 patents
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
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 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 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 the partial solubilization of phosphate rock and obtain...
Patent number
4,523,941
Issue date
Jun 18, 1985
Petroleo Brasileiro S.A.-Petrobras
Hossam A. A. Abdel-Hehim
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Process for the partial solubilization of phosphate rock and obtain...
Patent number
4,469,504
Issue date
Sep 4, 1984
Petroleo Brasileiro S.A.-Petrobras
Hossam Abdel-Hehim
C05 - FERTILISERS MANUFACTURE THEREOF
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
4,349,519
Issue date
Sep 14, 1982
Toyo Soda Manufacturing Company, 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
Information
Patent Grant
Method for the manufacture of defluorinated phosphatic products
Patent number
4,324,774
Issue date
Apr 13, 1982
Fertilizer Development S.A.
Avraham M. Baniel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of wet-processed phosphoric acid
Patent number
4,321,245
Issue date
Mar 23, 1982
Hoechst Aktiengesellschaft
Reinhard Gradl
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Liquid-liquid extraction apparatus
Patent number
4,313,826
Issue date
Feb 2, 1982
Hoechst Aktiengesellschaft
Reinhard Gradl
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Solvent extraction process for preparing purified phosphoric acid a...
Patent number
4,285,920
Issue date
Aug 25, 1981
Stauffer Chemical Company
Avtar S. Jassal
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Extraction
Patent number
4,284,606
Issue date
Aug 18, 1981
RTL Contactor Holding S.A.
John S. Rendell
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for obtaining a desulfated phosphoric acid for use in foods...
Patent number
4,263,265
Issue date
Apr 21, 1981
Rhone-Poulenc Industries
Louis Winand
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the purification of an impure phosphoric acid
Patent number
4,225,568
Issue date
Sep 30, 1980
Rhone-Poulenc Industries
Alain Leveque
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Solvent extraction purification of wet-processed phosphoric acid
Patent number
4,222,994
Issue date
Sep 16, 1980
Hoechst Aktiengesellschaft
Klaus-Peter Ehlers
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Purification of phosphoric acid
Patent number
4,208,389
Issue date
Jun 17, 1980
Toyo Soda Manufacturing Company, Limited
Yoichi Hiraga
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for producing pure phosphoric acid
Patent number
4,207,303
Issue date
Jun 10, 1980
Chisso Corporation
Hiroaki Ishibashi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Wet process phosphoric acid purification
Patent number
4,197,280
Issue date
Apr 8, 1980
Stauffer Chemical Company
Avtar S. Jassal
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Purification of phosphoric acid by means of organic solvents
Patent number
4,196,180
Issue date
Apr 1, 1980
Hoechst Aktiengesellschaft
Bernhard Wojtech
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Uranium recovery from wet-process phosphoric acid
Patent number
4,180,545
Issue date
Dec 25, 1979
Tennessee Valley Authority
John F. McCullough
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for removing dissolved silica from extracted phosphoric acid
Patent number
4,169,881
Issue date
Oct 2, 1979
Toyo Soda Manufacturing Co., Ltd.
Mitsuo Kikuchi
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Production of Ammonium Phosphates
Publication number
20150360946
Publication date
Dec 17, 2015
EASYMINING SWEDEN AB
Yariv Cohen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL