Clarification Stabilisation to prevent post-precipitation of dissolved impurities

Industry

CPC
C01B25/235

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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

C01B25/235Clarification Stabilisation to prevent post-precipitation of dissolved impurities

Industries

Patents Grantslast 30 patents

Information Patent Grant
Polymeric microparticles as filtration and/or clarifying aids in ph...
- Patent number 10,246,332
- Issue date Apr 2, 2019
- Cytec Industries Inc.
- Lei Zhang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Primary amine-containing polymers useful as scale inhibitors
- Patent number 10,214,421
- Issue date Feb 26, 2019
- Cytec Industries Inc.
- Lei Zhang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Primary amine-containing polymers useful as scale inhibitors
- Patent number 9,902,617
- Issue date Feb 27, 2018
- Cytec Industries Inc.
- Lei Zhang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Phosphoric acid production gypsum filtration flocculant pre-dilutio...
- Patent number 9,187,327
- Issue date Nov 17, 2015
- Nalco Company
- Ronald V. Davis
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
One-step oxidation of wet-process phosphoric acid
- Patent number 6,911,191
- Issue date Jun 28, 2005
- Agrium U.S. Inc.
- Daniel Carl Neuman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of clarifying phosphoric acid
- Patent number 5,318,707
- Issue date Jun 7, 1994
- Calgon Corporation
- Paul A. Rey
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of clarifying phosphoric acid using high charge sulfonic-typ...
- Patent number 5,173,280
- Issue date Dec 22, 1992
- Calgon Corporation
- Paul A. Rey
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery and utilization of gypstack leachate in hemihydrate phosph...
- Patent number 5,084,261
- Issue date Jan 28, 1992
- Occidental Chemical Corporation
- Michael B. Caesar
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Lowering post-precipitation in merchant acid
- Patent number 5,066,471
- Issue date Nov 19, 1991
- IMC Fertilizer, Inc.
- Dennis H. Michalski
- 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
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
Oxidation-reduction process for enhancing the color of and stabiliz...
- Patent number 4,808,391
- Issue date Feb 28, 1989
- Farmland Industries, Inc.
- David D. Leavitt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of liquid phases from three phase emulsions formed in solv...
- Patent number 4,759,913
- Issue date Jul 26, 1988
- Freeport Research and Engineering Company
- Thomas A. Headington
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing stabilized wet process phosphoric acid with lo...
- Patent number 4,710,366
- Issue date Dec 1, 1987
- Freeport Minerals Company
- Vivian C. Astley
- 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 recovery by a solvent of the uranium present in phospho...
- Patent number 4,643,882
- Issue date Feb 17, 1987
- Uranium Pechiney
- Antoine Floreancig
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for removing organic materials from a wet process phosphoric...
- Patent number 4,637,922
- Issue date Jan 20, 1987
- Toyo Soda Manufacturing Co., Ltd.
- Masaki Nakatani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for stabilizing phosphoric acid
- Patent number 4,632,814
- Issue date Dec 30, 1986
- International Minerals & Chemical Corp.
- Steven J. Dougherty
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of removing suspended solids from phosphoric acid
- Patent number 4,592,901
- Issue date Jun 3, 1986
- Occidental Petroleum Corporation
- Hudson C. Smith
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of lowering the magnesium impurity level of wet-process phos...
- Patent number 4,557,748
- Issue date Dec 10, 1985
- Farmland Industries, Inc.
- Norman L. Stewart
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Process for removing organic contaminants from wet-processed phosph...
- Patent number 4,540,558
- Issue date Sep 10, 1985
- Hoechst Aktiengesellschaft
- Reinhard Gradl
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Phosphate fertilizer production
- Patent number 4,536,378
- Issue date Aug 20, 1985
- Edward A. White
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for blending phosphoric acids of differing impurity content
- Patent number 4,521,392
- Issue date Jun 4, 1985
- Occidental Chemical Agricultural Products, Inc.
- Harold E. Mills
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing HF from impure phosphoric acids
- Patent number 4,505,884
- Issue date Mar 19, 1985
- Occidental Research Corporation
- Elie M. Chemtob
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for oxidation of wet process phosphoric acid
- Patent number 4,503,022
- Issue date Mar 5, 1985
- International Minerals & Chemical Corp.
- Kalyan K. Majumdar
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Stabilization of wet process phosphoric acid
- Patent number 4,487,750
- Issue date Dec 11, 1984
- Freeport Minerals Company
- Vivian C. Astley
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for blending phosphoric acids of differing impurity content
- Patent number 4,445,926
- Issue date May 1, 1984
- Occidental Chemical Co.
- Harold E. Mills
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing particulate impurities from aqueous phosphoric...
- Patent number 4,443,421
- Issue date Apr 17, 1984
- Occidental Chemical Corporation
- Charles M. Hollifield
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing a stabilized phosphoric acid
- Patent number 4,442,081
- Issue date Apr 10, 1984
- W. R. Grace & Co.
- Roberto I. Morrell
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Shipping black phosphoric acid
- Patent number 4,430,313
- Issue date Feb 7, 1984
- Mobil Oil Corporation
- Mark D. LaVanture
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLYMERIC MICROPARTICLES AS FILTRATION AND/OR CLARIFYING AIDS IN PH...
- Publication number 20190177164
- Publication date Jun 13, 2019
- CYTEC INDUSTRIES INC.
- Lei Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIC MICROPARTICLES AS FILTRATION AND/OR CLARIFYING AIDS IN PH...
- Publication number 20170057822
- Publication date Mar 2, 2017
- Cytec Industries Inc.
- Lei Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PRIMARY AMINE-CONTAINING POLYMERS USEFUL AS SCALE INHIBITORS
- Publication number 20150225241
- Publication date Aug 13, 2015
- Cytec Industries Inc.
- Lei ZHANG
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PHOSPHORIC ACID PRODUCTION GYPSUM FILTRATION FLOCCULANT PRE-DILUTIO...
- Publication number 20120171099
- Publication date Jul 5, 2012
- Ronald V. Davis
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
INHIBITION OF WATER FORMED SCALE IN ACID CONDITIONS
- Publication number 20090294372
- Publication date Dec 3, 2009
- Jasbir S. Gill
- C01 - INORGANIC CHEMISTRY
Information Patent Application
One-step oxidation of wet-process phosphoric acid
- Publication number 20040081608
- Publication date Apr 29, 2004
- Daniel Carl Neuman
- C01 - INORGANIC CHEMISTRY

Clarification Stabilisation to prevent post-precipitation of dissolved impurities

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Polymeric microparticles as filtration and/or clarifying aids in ph...

Primary amine-containing polymers useful as scale inhibitors

Primary amine-containing polymers useful as scale inhibitors

Phosphoric acid production gypsum filtration flocculant pre-dilutio...

One-step oxidation of wet-process phosphoric acid

Method of clarifying phosphoric acid

Method of clarifying phosphoric acid using high charge sulfonic-typ...

Recovery and utilization of gypstack leachate in hemihydrate phosph...

Lowering post-precipitation in merchant acid

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

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

Oxidation-reduction process for enhancing the color of and stabiliz...

Recovery of liquid phases from three phase emulsions formed in solv...

Method for producing stabilized wet process phosphoric acid with lo...

Method of decolorizing wet process phosphoric acid

Process for recovery by a solvent of the uranium present in phospho...

Method for removing organic materials from a wet process phosphoric...

Process for stabilizing phosphoric acid

Method of removing suspended solids from phosphoric acid

Method of lowering the magnesium impurity level of wet-process phos...

Process for removing organic contaminants from wet-processed phosph...

Phosphate fertilizer production

Process for blending phosphoric acids of differing impurity content

Process for producing HF from impure phosphoric acids

Process for oxidation of wet process phosphoric acid

Stabilization of wet process phosphoric acid

Process for blending phosphoric acids of differing impurity content

Process for removing particulate impurities from aqueous phosphoric...

Process for producing a stabilized phosphoric acid

Shipping black phosphoric acid

Patents Applicationslast 30 patents

POLYMERIC MICROPARTICLES AS FILTRATION AND/OR CLARIFYING AIDS IN PH...

POLYMERIC MICROPARTICLES AS FILTRATION AND/OR CLARIFYING AIDS IN PH...

PRIMARY AMINE-CONTAINING POLYMERS USEFUL AS SCALE INHIBITORS

PHOSPHORIC ACID PRODUCTION GYPSUM FILTRATION FLOCCULANT PRE-DILUTIO...

INHIBITION OF WATER FORMED SCALE IN ACID CONDITIONS

One-step oxidation of wet-process phosphoric acid