Phosphoric acid

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CPC
C01B25/18

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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

C01B25/18Phosphoric acid

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Phospate recovery by acid retardation
- Patent number 12,168,618
- Issue date Dec 17, 2024
- Evoqua Water Technologies LLC
- Thomas Kenneth Mallmann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method to make phosphoric acid and ammonium phosphates from phospha...
- Patent number 11,027,975
- Issue date Jun 8, 2021
- Wisconsin Alumni Research Foundation
- Phillip Warren Barak
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Modified amines useful as scale inhibitors in wet process phosphori...
- Patent number 10,906,828
- Issue date Feb 2, 2021
- Cytec Industries Inc.
- Ryan Kopreski
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Chemical phosphoric acid production unit provided with a phosphogyp...
- Patent number 10,864,493
- Issue date Dec 15, 2020
- OCP SA
- Abdelaziz El Hachmi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Phosphate recovery by acid retardation
- Patent number 10,843,941
- Issue date Nov 24, 2020
- Evoqua Water Technologies LLC
- Thomas Kenneth Mallmann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Raw material pre-treatment method and raw material pre-treatment pr...
- Patent number 10,744,512
- Issue date Aug 18, 2020
- SICHUAN KO CHANG TECHNOLOGY CO., LTD.
- Yonghe Hou
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Substrate treating method for a substrate treating apparatus that c...
- Patent number 10,520,416
- Issue date Dec 31, 2019
- SCREEN Holdings Co., Ltd.
- Tomohiro Takahashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Raw material of composite pellets used in kiln phosphoric acid proc...
- Patent number 10,435,300
- Issue date Oct 8, 2019
- SICHUAN KO CHANG TECHNOLOGY CO., LTD.
- Yonghe Hou
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Method of phosphorus removal and recovery
- Patent number 10,351,428
- Issue date Jul 16, 2019
- HSY HELSINGIN SEUDUN YMPÄRISTÖPALVELUT-KUNTAYHTYMÄ
- Tommi Fred
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for mass production of phosphoric acid with rotary kiln
- Patent number 10,005,669
- Issue date Jun 26, 2018
- SICHUAN KO CHANG TECHNOLOGY CO., LTD.
- Yonghe Hou
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Rotary kiln for reducing phosphate ore in kiln phosphoric acid proc...
- Patent number 9,982,947
- Issue date May 29, 2018
- SICHUAN KO CHANG TECHNOLOGY CO., LTD.
- Yonghe Hou
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for preparing phosphoric acid from fume exiting the kiln...
- Patent number 9,776,868
- Issue date Oct 3, 2017
- SICHUAN KO CHANG TECHNOLOGY CO., LTD.
- Yonghe Hou
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Membranes, azeotropic and catalytic components
- Patent number 9,731,969
- Issue date Aug 15, 2017
- Universiteit Gent
- Wouter Ducheyne
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of phosphorus values and salt impurities from aqueous wast...
- Patent number 9,394,173
- Issue date Jul 19, 2016
- Monsanto Technology LLC
- Chil Y. Choi
- 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
Recovery of phosphorus values and salt impurities from aqueous wast...
- Patent number 8,669,396
- Issue date Mar 11, 2014
- Monsanto Technology LLC
- Chil Y. Choi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High purity phosphoric acid and process of producing the same
- Patent number 7,470,414
- Issue date Dec 30, 2008
- Nippon Chemical Industrial Co., Ltd.
- Kenichi Ishikawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of phosphorus (I) oxides, phosphorus (III) oxides, and...
- Patent number 6,440,380
- Issue date Aug 27, 2002
- Monsanto Technology, LLC
- Jerald D. Heise
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reactor container, plant and process for the production of sulfuric...
- Patent number 5,800,788
- Issue date Sep 1, 1998
- Sandvik AB
- Lars Douren
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for recovery of amines and volatile acids from amine salts
- Patent number 5,227,483
- Issue date Jul 13, 1993
- Arco Chemical Technology, L.P.
- Edward T. Shawl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purification of acids from materials comprising acid and...
- Patent number 5,162,076
- Issue date Nov 10, 1992
- Allied-Signal Inc.
- Yu-Chih Chiao
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Recovery of phosphorus values from waste phosphoric acid liquors
- Patent number 4,988,489
- Issue date Jan 29, 1991
- Lanny E. Todd
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for working up phosphoric acid
- Patent number 4,971,778
- Issue date Nov 20, 1990
- Hoechst AG.
- Gerhard Bettermann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for production of phosphoric acid from dry matrix by SO.sub...
- Patent number 4,714,600
- Issue date Dec 22, 1987
- Mobil Oil Corporation
- Patrick R. Driscoll
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for reducing iron and vanadium in phosphoric acid solution
- Patent number 4,705,671
- Issue date Nov 10, 1987
- Hoechst Aktiengesellschaft
- Herbert Ressel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for reducing iron and vanadium in phosphoric acid solution
- Patent number 4,642,224
- Issue date Feb 10, 1987
- Hoechst Aktiengesellschaft
- Herbert Ressel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Treatment of contaminated phosphoric acid to recover usable acid th...
- Patent number 4,483,838
- Issue date Nov 20, 1984
- Stauffer Chemical Company
- Donald L. Sculthorpe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
New method of disposing of the residue from the production of diakl...
- Patent number 4,377,559
- Issue date Mar 22, 1983
- Stauffer Chemical Company
- Mark S. Carron
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for treating the residue from the production of phosphorochl...
- Patent number 4,364,911
- Issue date Dec 21, 1982
- Stauffer Chemical Company
- Russell B. Caffy
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PHOSPATE RECOVERY BY ACID RETARDATION
- Publication number 20200377386
- Publication date Dec 3, 2020
- Evoqua Water Technologies LLC
- Thomas Kenneth Mallmann
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM PHOSPHATES FROM PHOSPHA...
- Publication number 20200247674
- Publication date Aug 6, 2020
- Wisconsin Alumni Research Foundation
- Phillip Warren Barak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Chemical Phosphoric Acid Production Unit Provided With A Phosphogyp...
- Publication number 20200094209
- Publication date Mar 26, 2020
- OCP SA
- Abdelaziz El Hachmi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR RECOVERING PHOSPHOROUS FROM PHOSPHORITIC MATERIALS
- Publication number 20200048092
- Publication date Feb 13, 2020
- Commonwealth Scientific and Industrial Research Organisation
- Steven WRIGHT
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for the Wet Chemical Polishing of Molded Zinc Parts
- Publication number 20170314140
- Publication date Nov 2, 2017
- POLIGRAT GmbH
- Siegfried Piesslinger-Schweiger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Crystalline transition metal oxide particles and continuous method...
- Publication number 20170306511
- Publication date Oct 26, 2017
- Inkron Ltd
- Juha RANTALA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD OF PHOSPHORUS REMOVAL AND RECOVERY
- Publication number 20170275167
- Publication date Sep 28, 2017
- HSY Helsingin seudun ympäristöpalvelut-kuntayhtymä
- Tommi Fred
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR MEASURING SILICON CONCENTRATION IN A PHOSPHORIC ACID AQU...
- Publication number 20170160181
- Publication date Jun 8, 2017
- SCREEN Holdings Co., Ltd.
- Tomohiro TAKAHASHI
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
METHOD FOR MASS PRODUCTION OF PHOSPHORIC ACID WITH ROTARY KILN
- Publication number 20160152472
- Publication date Jun 2, 2016
- SICHUAN KO CHANG TECHNOLOGY CO., LTD
- Yonghe HOU
- C01 - INORGANIC CHEMISTRY
Information Patent Application
RAW MATERIAL OF COMPOSITE PELLETS USED IN KILN PHOSPHORIC ACID PROC...
- Publication number 20160152473
- Publication date Jun 2, 2016
- SICHUAN KO CHANG TECHNOLOGY CO., LTD
- Yonghe HOU
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
APPARATUS FOR PREPARING PHOSPHORIC ACID FROM FUME EXITING THE KILN...
- Publication number 20160152474
- Publication date Jun 2, 2016
- SICHUAN KO CHANG TECHNOLOGY CO., LTD
- Yonghe HOU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ROTARY KILN FOR REDUCING PHOSPHATE ORE IN KILN PHOSPHORIC ACID PROC...
- Publication number 20160153717
- Publication date Jun 2, 2016
- SICHUAN KO CHANG TECHNOLOGY CO., LTD
- Yonghe HOU
- C01 - INORGANIC CHEMISTRY
Information Patent Application
RAW MATERIAL PRE-TREATMENT METHOD AND RAW MATERIAL PRE-TREATMENT PR...
- Publication number 20160083255
- Publication date Mar 24, 2016
- SICHUAN KO CHANG TECHNOLOGY CO., LTD
- Yonghe HOU
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
MEMBRANES, AZEOTROPIC & CATALYTIC COMPONENTS
- Publication number 20150225240
- Publication date Aug 13, 2015
- Technology for Renewable Energy Systems (TFRES) bvba
- Wouter Ducheyne
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
RECOVERY OF PHOSPHORUS VALUES AND SALT IMPURITIES FROM AQUEOUS WAST...
- Publication number 20140234196
- Publication date Aug 21, 2014
- Monsanto Technology LLC
- Chil Y. Choi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR RECOVERING PHOSPHORUS IN THE FORM OF A COMPOUND CONTAINI...
- Publication number 20140127110
- Publication date May 8, 2014
- OSRAM GMBH
- Thomas Huckenbeck
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
RECOVERY OF PHOSPHORUS VALUES AND SALT IMPURITIES FROM AQUEOUS WAST...
- Publication number 20120100051
- Publication date Apr 26, 2012
- Monsanto Technology LLC
- Chil Y. Choi
- C01 - INORGANIC CHEMISTRY
Information Patent Application
High purity phosphoric acid and method for production thereof
- Publication number 20060073088
- Publication date Apr 6, 2006
- Kenichi Ishikawa
- C01 - INORGANIC CHEMISTRY

Phosphoric acid

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Phospate recovery by acid retardation

Method to make phosphoric acid and ammonium phosphates from phospha...

Modified amines useful as scale inhibitors in wet process phosphori...

Chemical phosphoric acid production unit provided with a phosphogyp...

Phosphate recovery by acid retardation

Raw material pre-treatment method and raw material pre-treatment pr...

Substrate treating method for a substrate treating apparatus that c...

Raw material of composite pellets used in kiln phosphoric acid proc...

Method of phosphorus removal and recovery

Method for mass production of phosphoric acid with rotary kiln

Rotary kiln for reducing phosphate ore in kiln phosphoric acid proc...

Apparatus for preparing phosphoric acid from fume exiting the kiln...

Membranes, azeotropic and catalytic components

Recovery of phosphorus values and salt impurities from aqueous wast...

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

Recovery of phosphorus values and salt impurities from aqueous wast...

High purity phosphoric acid and process of producing the same

Preparation of phosphorus (I) oxides, phosphorus (III) oxides, and...

Reactor container, plant and process for the production of sulfuric...

Process for recovery of amines and volatile acids from amine salts

Method for purification of acids from materials comprising acid and...

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

Recovery of phosphorus values from waste phosphoric acid liquors

Process for working up phosphoric acid

Process for production of phosphoric acid from dry matrix by SO.sub...

Apparatus for reducing iron and vanadium in phosphoric acid solution

Process for reducing iron and vanadium in phosphoric acid solution

Treatment of contaminated phosphoric acid to recover usable acid th...

New method of disposing of the residue from the production of diakl...

Method for treating the residue from the production of phosphorochl...

Patents Applicationslast 30 patents

PHOSPATE RECOVERY BY ACID RETARDATION

METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM PHOSPHATES FROM PHOSPHA...

Chemical Phosphoric Acid Production Unit Provided With A Phosphogyp...

PROCESS FOR RECOVERING PHOSPHOROUS FROM PHOSPHORITIC MATERIALS

Method for the Wet Chemical Polishing of Molded Zinc Parts

Crystalline transition metal oxide particles and continuous method...

METHOD OF PHOSPHORUS REMOVAL AND RECOVERY

METHOD FOR MEASURING SILICON CONCENTRATION IN A PHOSPHORIC ACID AQU...

METHOD FOR MASS PRODUCTION OF PHOSPHORIC ACID WITH ROTARY KILN

RAW MATERIAL OF COMPOSITE PELLETS USED IN KILN PHOSPHORIC ACID PROC...

APPARATUS FOR PREPARING PHOSPHORIC ACID FROM FUME EXITING THE KILN...

ROTARY KILN FOR REDUCING PHOSPHATE ORE IN KILN PHOSPHORIC ACID PROC...

RAW MATERIAL PRE-TREATMENT METHOD AND RAW MATERIAL PRE-TREATMENT PR...

MEMBRANES, AZEOTROPIC & CATALYTIC COMPONENTS

RECOVERY OF PHOSPHORUS VALUES AND SALT IMPURITIES FROM AQUEOUS WAST...

METHOD FOR RECOVERING PHOSPHORUS IN THE FORM OF A COMPOUND CONTAINI...

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

RECOVERY OF PHOSPHORUS VALUES AND SALT IMPURITIES FROM AQUEOUS WAST...

High purity phosphoric acid and method for production thereof