Selective elimination of impurities

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CPC
C01B25/237

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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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C01B25/237Selective elimination of impurities

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Patents Grantslast 30 patents

Information Patent Grant
Method of purifying phosphoric acid
- Patent number 10,189,710
- Issue date Jan 29, 2019
- TENOVA ADVANCED TECHNOLOGIES LTD.
- Jonathan Lipp
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Extraction of uranium from wet-process phosphoric acid
- Patent number 9,932,654
- Issue date Apr 3, 2018
- Urtek, LLC
- Marcus Worsley Richardson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Multi-stage crystallisation process and apparatus to purify a compound
- Patent number 9,597,609
- Issue date Mar 21, 2017
- Sulzer Chemtech AG
- Halbe Jansen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Extraction of uranium from wet-process phosphoric acid
- Patent number 9,217,189
- Issue date Dec 22, 2015
- Urtek, LLC
- James Andrew Davidson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction of uranium from wet-process phosphoric acid
- Patent number 8,883,096
- Issue date Nov 11, 2014
- Urtek, LLC
- Marcus Worsley Richardson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction of uranium from wet-process phosphoric acid
- Patent number 8,703,077
- Issue date Apr 22, 2014
- Urtek, LLC
- Mark S. Chalmers
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction of uranium from wet-process phosphoric acid
- Patent number 8,685,349
- Issue date Apr 1, 2014
- Urtek, LLC
- Nicholas Warwick Bristow
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the production of high purity phosphoric acid
- Patent number 8,425,872
- Issue date Apr 23, 2013
- Ecophos S.A.
- Mohamed Takhim
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Extraction of uranium from wet-process phosphoric acid
- Patent number 8,226,910
- Issue date Jul 24, 2012
- Urtek, LLC
- Nicholas Warwick Bristow
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for improving gypsum/phosphoric acid slurry filtration using...
- Patent number 8,182,698
- Issue date May 22, 2012
- ARR-MAZ Custom Chemicals, Inc.
- Louis Irwin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purification of phosphoric acid high purity polyphosphor...
- Patent number 6,861,039
- Issue date Mar 1, 2005
- Toyo Boeski Kabushiki Kaisha
- Kiyoshi Hotta
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for eliminating heavy metals from phosphoric acid
- Patent number 5,279,806
- Issue date Jan 18, 1994
- Office Togolais des Phosphates
- Pierre Becker
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for defluorinating wet process phosphoric acid
- Patent number 5,002,744
- Issue date Mar 26, 1991
- IMC Fertilizer, Inc.
- Joseph E. Gliksman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
P.sub.2 O.sub.5 recovery and phosphoric acid purification
- Patent number 4,994,248
- Issue date Feb 19, 1991
- Occidental Chemical Corporation
- S. W. Slater
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying phosphoric acid
- Patent number 4,713,229
- Issue date Dec 15, 1987
- Hoechst Aktiengesellschaft
- Gunther Schimmel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for separation of magnesium-based, and possibly fluorine-an...
- Patent number 4,692,323
- Issue date Sep 8, 1987
- Centre National de la Recherche Scientifique (CNRS)
- Gilbert Bonel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of sodium tripolyphosphate from wet acid
- Patent number 4,676,963
- Issue date Jun 30, 1987
- FMC Corporation
- Nirmal K. Khanna
- 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
Separation of dissolved substances from wet process phosphoric acid
- Patent number 4,640,828
- Issue date Feb 3, 1987
- International Minerals & Chemical Corp.
- Arthur N. Baumann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of removing cationic impurities from wet process phosphoric...
- Patent number 4,639,359
- Issue date Jan 27, 1987
- International Minerals & Chemical Corp.
- Dennis H. Michalski
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Aluminum fluorophosphates made from impure phosphoric acids and con...
- Patent number 4,636,372
- Issue date Jan 13, 1987
- Occidental Chemical Agricultural Products, Inc.
- Elie Chemtob
- 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 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 removing impurities from wet process of phosphoric acid
- Patent number 4,500,502
- Issue date Feb 19, 1985
- Mississippi Chemical Corporation
- Daniel P. McDonald
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing heavy metal ions from wet-processed phosphoric...
- Patent number 4,452,768
- Issue date Jun 5, 1984
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process and extractant for removing fluorine compounds from aqueous...
- Patent number 4,439,408
- Issue date Mar 27, 1984
- Yissum Research Development Company of the Hebrew University of Jerusalem
- Avraham M. Baniel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of purified strong wet-process phosphoric acid
- Patent number 4,435,372
- Issue date Mar 6, 1984
- Tennessee Valley Authority
- Alva W. Frazier
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Process for reducing aluminum and fluorine in phosphoric acids
- Patent number 4,379,776
- Issue date Apr 12, 1983
- Occidental Research Corporation
- Gary L. Beer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Defluorination of wet process phosphoric acid
- Patent number 4,330,517
- Issue date May 18, 1982
- International Minerals & Chemical Corp.
- Dennis H. Michalski
- 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

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REMOVING HEAVY METALS IN THE MANUFACTURE OF PHOSPHORIC ACID
- Publication number 20230365409
- Publication date Nov 16, 2023
- JESA TECHNOLOGIES LLC
- Stephen Wayne HILAKOS
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD OF PURIFYING PHOSPHORIC ACID
- Publication number 20160332879
- Publication date Nov 17, 2016
- BATEMAN ADVANCED TECHNOLOGIES LTD.
- Jonathan LIPP
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Multi-Stage Crystallisation Process and Apparatus to Purify a Compound
- Publication number 20150360143
- Publication date Dec 17, 2015
- Halbe JANSEN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
EXTRACTION OF URANIUM FROM WET-PROCESS PHOSPHORIC ACID
- Publication number 20130164197
- Publication date Jun 27, 2013
- URTEK, LLC
- MARCUS WORSLEY RICHARDSON
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Extraction of Uranium from Wet-Process Phosphoric Acid
- Publication number 20130022520
- Publication date Jan 24, 2013
- URTEK, LLC
- Nicholas Warwick Bristow
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Extraction of Uranium from Wet-Process Phosphoric Acid
- Publication number 20130022519
- Publication date Jan 24, 2013
- URTEK, LLC
- Nicholas Warwick Bristow
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR IMPROVING GYPSUM/PHOSPHORIC ACID SLURRY FILTRATION USING...
- Publication number 20120003140
- Publication date Jan 5, 2012
- ARR-MAZ CUSTOM CHEMICALS, INC.
- Louis Irwin
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PRODUCTION OF HIGH PURITY PHOSPHORIC ACID
- Publication number 20110200509
- Publication date Aug 18, 2011
- Ecophos SA
- Mohamed Takhim
- C01 - INORGANIC CHEMISTRY
Information Patent Application
EXTRACTION OF URANIUM FROM WET-PROCESS PHOSPHORIC ACID
- Publication number 20100028226
- Publication date Feb 4, 2010
- URTEK, LLC
- Nicholas Warwick Bristow
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Selective elimination of impurities

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method of purifying phosphoric acid

Extraction of uranium from wet-process phosphoric acid

Multi-stage crystallisation process and apparatus to purify a compound

Extraction of uranium from wet-process phosphoric acid

Extraction of uranium from wet-process phosphoric acid

Extraction of uranium from wet-process phosphoric acid

Extraction of uranium from wet-process phosphoric acid

Process for the production of high purity phosphoric acid

Extraction of uranium from wet-process phosphoric acid

Method for improving gypsum/phosphoric acid slurry filtration using...

Method for purification of phosphoric acid high purity polyphosphor...

Process for eliminating heavy metals from phosphoric acid

Method for defluorinating wet process phosphoric acid

P.sub.2 O.sub.5 recovery and phosphoric acid purification

Process for purifying phosphoric acid

Process for separation of magnesium-based, and possibly fluorine-an...

Manufacture of sodium tripolyphosphate from wet acid

Process for dearsenifying phosphoric acid solutions

Separation of dissolved substances from wet process phosphoric acid

Process of removing cationic impurities from wet process phosphoric...

Aluminum fluorophosphates made from impure phosphoric acids and con...

Process for decontaminating phosphoric acid

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

Process for removing impurities from wet process of phosphoric acid

Process for removing heavy metal ions from wet-processed phosphoric...

Process and extractant for removing fluorine compounds from aqueous...

Production of purified strong wet-process phosphoric acid

Process for reducing aluminum and fluorine in phosphoric acids

Defluorination of wet process phosphoric acid

Method for the manufacture of defluorinated phosphatic products

Patents Applicationslast 30 patents

METHOD FOR REMOVING HEAVY METALS IN THE MANUFACTURE OF PHOSPHORIC ACID

METHOD OF PURIFYING PHOSPHORIC ACID

Multi-Stage Crystallisation Process and Apparatus to Purify a Compound

EXTRACTION OF URANIUM FROM WET-PROCESS PHOSPHORIC ACID

Extraction of Uranium from Wet-Process Phosphoric Acid

Extraction of Uranium from Wet-Process Phosphoric Acid

METHOD FOR IMPROVING GYPSUM/PHOSPHORIC ACID SLURRY FILTRATION USING...

PROCESS FOR THE PRODUCTION OF HIGH PURITY PHOSPHORIC ACID

EXTRACTION OF URANIUM FROM WET-PROCESS PHOSPHORIC ACID