Membership
Tour
Register
Log in
Purification
Follow
Industry
CPC
C01D5/16
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
C
CHEMISTRY METALLURGY
C01
Inorganic chemistry
C01D
COMPOUNDS OF ALKALI METALS
C01D5/00
Sulfates or sulfites of sodium, potassium or alkali metals in general
Current Industry
C01D5/16
Purification
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Recycling of sodium sulfate in starch processing
Patent number
11,884,568
Issue date
Jan 30, 2024
Corn Products Development, Inc.
Carlos Eduardo Hurtado Gonzalez
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for forming insoluble solute adducts using an acidic medium
Patent number
11,787,700
Issue date
Oct 17, 2023
Crystaphase Products, Inc.
Umakant Pravinchandra Joshi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of treating fly ash of a recovery boiler
Patent number
11,725,341
Issue date
Aug 15, 2023
Andritz Oy
Keijo Salmenoja
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Industrial waste salt resourceful treatment method and device
Patent number
11,332,379
Issue date
May 17, 2022
GO HIGHER ENVIRONMENT GROUP CO., LTD.
Futai Chen
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for the production of potassium sulphate and magnesium sulp...
Patent number
11,306,033
Issue date
Apr 19, 2022
Dead Sea Works Ltd.
Joseph Lati
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Enhanced process for selective salt recovery from wastewater, waste...
Patent number
11,027,999
Issue date
Jun 8, 2021
VEOLIA WATER TECHNOLOGIES, INC.
Sebastien Bessenet
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for producing soluble potassium sulfate
Patent number
10,981,838
Issue date
Apr 20, 2021
TESSENDERLO GROUP NV
Peter Luts
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Method for producing potassium sulfate and sodium chloride from was...
Patent number
10,773,969
Issue date
Sep 15, 2020
VEOLIA WATER TECHNOLOGIES, INC.
Sebastien Bessenet
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for producing sodium sulphate from phosphogypsum
Patent number
10,689,261
Issue date
Jun 23, 2020
Khaoula Khaless
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Hydrometallurgical process for the recovery of copper, lead or zinc
Patent number
10,633,721
Issue date
Apr 28, 2020
Penoles Tecnologia, S.A. DE C.V.
Ricardo Benavides Pérez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Enhanced process for selective salt recovery from wastewater, waste...
Patent number
10,427,964
Issue date
Oct 1, 2019
VEOLIA WATER TECHNOLOGIES, INC.
Sebastien Bessenet
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for the recovery of sodium sulfate
Patent number
10,414,667
Issue date
Sep 17, 2019
Rhodia Operations
Dominique Horbez
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Methods for the production of potassium sulphate from potassium-con...
Patent number
10,399,861
Issue date
Sep 3, 2019
YARA DALLOL BV
Richard W. Chastain
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the selective floatation of kainite from mineral mixtur...
Patent number
10,118,183
Issue date
Nov 6, 2018
K + S Aktiengesellschaft
Uwe Wachsmuth
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Apparatus for manufacturing potassium compound and method of recove...
Patent number
10,046,302
Issue date
Aug 14, 2018
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
Uong Chon
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of recovering pulping chemicals from dissolved ash having a...
Patent number
9,574,303
Issue date
Feb 21, 2017
VEOLIA WATER TECHNOLOGIES, INC.
Michael S. Begley
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering sulfate and chloride salts from wastewater,...
Patent number
9,475,712
Issue date
Oct 25, 2016
VEOLIA WATER TECHNOLOGIES, INC.
Benjamin S. Mack
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Methods of processing solutions of potassium sulfate and magnesium...
Patent number
9,139,446
Issue date
Sep 22, 2015
Intercontinental Potash Corp. (USA)
Steven L. Chastain
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for recovering potassium sulphate from biodiesel production
Patent number
8,968,689
Issue date
Mar 3, 2015
Remondis Production GmbH
Andreas Huebner
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Methods of processing solutions of potassium sulfate and magnesium...
Patent number
8,802,048
Issue date
Aug 12, 2014
Intercontinental Potash Corp. (USA)
Steven L. Chastain
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Impurities removal from waste solids in the production of soda ash,...
Patent number
8,771,622
Issue date
Jul 8, 2014
Solvay Chemicals, Inc.
Ronald O. Hughes
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process to produce sodium sulfate and magnesium hydroxide
Patent number
8,658,122
Issue date
Feb 25, 2014
Servicios Administrativas Penoles S.A. de C.V.
Jesús Manuel Martinez Martinez
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Removal of impurities in the production of crystalline sodium carbo...
Patent number
8,337,571
Issue date
Dec 25, 2012
Solvay Chemicals, Inc.
James D. Phillip
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Recovery of inorganic salt during processing of lignocellulosic fee...
Patent number
8,247,203
Issue date
Aug 21, 2012
Iogen Energy Corporation
Brian Foody
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Recovery of inorganic salt during processing of lignocellulosic fee...
Patent number
7,585,652
Issue date
Sep 8, 2009
Iogen Energy Corporation
Brian Foody
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Process for making high purity sodium sulfate
Patent number
7,514,051
Issue date
Apr 7, 2009
The Doe Run Resources Corporation
Matthew Pratt
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods for treating agricultural drainage water and the like
Patent number
7,501,065
Issue date
Mar 10, 2009
Mansour S. Bader
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Process for the brightening of sodium hydrogensulfate
Patent number
7,067,094
Issue date
Jun 27, 2006
Grillo-Werke AG
Klaus Driemel
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Methods of making cesium salts and other alkali metal salts
Patent number
6,652,820
Issue date
Nov 25, 2003
Cabot Corporation
Bart F. Bakke
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for removing sodium chloride and potassium salts from ash c...
Patent number
5,840,085
Issue date
Nov 24, 1998
Mitsubishi Jukogyo Kabushiki Kaisha
Kikuo Tokunaga
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PRODUCING HIGH PURITY NICKEL SULFATE
Publication number
20240317604
Publication date
Sep 26, 2024
TODA KOGYO CORP.
Tomohiro HONDA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Leaching-Seepage Process of Sodium Sulfate in Thenardite Tailing Stack
Publication number
20240190714
Publication date
Jun 13, 2024
SC Hongya Qingyijiang Sodium Sulphate Co., Ltd.
Guangping CHEN
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR FORMING INSOLUBLE SOLUTE ADDUCTS USING AN ACIDIC MEDIUM
Publication number
20240002245
Publication date
Jan 4, 2024
CRYSTAPHASE PRODUCTS, INC.
UMAKANT PRAVINCHANDRA JOSHI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PURIFICATION METHOD FOR LANDFILL LEACHATE
Publication number
20230382768
Publication date
Nov 30, 2023
Cool Separations B.V.
Jaap VAN SPRONSEN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR FORMING INSOLUBLE SOLUTE ADDUCTS USING AN ACIDIC MEDIUM
Publication number
20230159344
Publication date
May 25, 2023
CRYSTAPHASE PRODUCTS, INC.
UMAKANT PRAVINCHANDRA JOSHI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR RECOVERING WATER AND CHEMICALS FROM PLANTS FOR TREATING...
Publication number
20220204377
Publication date
Jun 30, 2022
INVESTIGACIONES FORESTALES BIOFOREST S.A.
Álvaro Mauricio GONZÁLEZ VOGEL
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
PROCESSES FOR TREATING AQUEOUS COMPOSITIONS COMPRISING LITHIUM SULF...
Publication number
20220032207
Publication date
Feb 3, 2022
NEMASKA LITHIUM INC.
Jean-François MAGNAN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
INDUSTRIAL WASTE SALT RESOURCEFUL TREATMENT METHOD AND DEVICE
Publication number
20210347649
Publication date
Nov 11, 2021
GO HIGHER ENVIRONMENT GROUP CO., LTD.
Futai Chen
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Recycling of Sodium Sulfate in Starch Processing
Publication number
20210269345
Publication date
Sep 2, 2021
INGREDION CHINA LIMITED
Carlos Eduardo Hurtado Gonzalez
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SYSTEMS AND PROCESSES FOR PRODUCING POTASSIUM SULFATE, BARIUM SULFA...
Publication number
20210107813
Publication date
Apr 15, 2021
MARSULEX ENVIRONMENTAL TECHNOLOGIES CORPORATION
Michael Lyn Mengel
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING POTASSIUM SULFATE AND SODIUM CHLORIDE FROM WAS...
Publication number
20200290886
Publication date
Sep 17, 2020
Veolia Water Technologies, Inc.
Sebastien Bessenet
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD OF TREATING FLY ASH OF A RECOVERY BOILER
Publication number
20200181841
Publication date
Jun 11, 2020
ANDRITZ OY
Keijo SALMENOJA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
A PROCESS FOR THE PRODUCTION OF POTASSIUM SULPHATE AND MAGNESIUM SU...
Publication number
20190359535
Publication date
Nov 28, 2019
DEAD SEA WORKS LTD.
Joseph LATI
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
PROCESS FOR PRODUCING SODIUM SULPHATE FROM PHOSPHOGYPSUM
Publication number
20190263668
Publication date
Aug 29, 2019
OCP SA
Khaoula KHALESS
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING SOLUBLE POTASSIUM SULFATE
Publication number
20190119175
Publication date
Apr 25, 2019
TESSENDERLO CHEMIE NV
PETER LUTS
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
METHOD FOR THE CONTROL OF SULPHATE FORMING COMPOUNDS IN THE PREPARA...
Publication number
20190002300
Publication date
Jan 3, 2019
Yara Dallol BV
Richard W. CHASTAIN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE RECOVERY OF SODIUM SULFATE
Publication number
20180222758
Publication date
Aug 9, 2018
RHODIA OPERATIONS
Dominique HORBEZ
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHODS FOR THE PRODUCTION OF POTASSIUM SULPHATE FROM POTASSIUM-CON...
Publication number
20180111839
Publication date
Apr 26, 2018
Yara Dallol BV
Richard W. CHASTAIN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE SELECTIVE FLOTATION OF KAINITE FROM MINERAL MIXTURE...
Publication number
20170361335
Publication date
Dec 21, 2017
K+S AKTIENGESELLSCHAFT
Uwe WACHSMUTH
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
METHOD OF RECOVERING PULPING CHEMICALS FROM DISSOLVED ASH HAVING A...
Publication number
20160348310
Publication date
Dec 1, 2016
Veolia Water Technologies, Inc.
Michael S. Begley
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR RECOVERING SULFATE AND CHLORIDE SALTS FROM WASTEWATER,...
Publication number
20160280571
Publication date
Sep 29, 2016
Veolia Water Technologies, Inc.
Benjamin S. Mack
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHODS OF PROCESSING SOLUTIONS OF POTASSIUM SULFATE AND MAGNESIUM...
Publication number
20140334995
Publication date
Nov 13, 2014
Steven L. CHASTAIN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS OF PROCESSING SOLUTIONS OF POTASSIUM SULFATE AND MAGNESIUM...
Publication number
20140072507
Publication date
Mar 13, 2014
INTERCONTINENTAL POTASH CORPORATION
Steven L. CHASTAIN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR SEPARATING AND RECOVERING PURIFIED ALKALI METAL SALT
Publication number
20130292333
Publication date
Nov 7, 2013
TORAY INDUSTRIES, INC.
Takao Sasaki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR RECOVERING POTASSIUM SULPHATE FROM BIODIESEL PRODUCTION
Publication number
20130230439
Publication date
Sep 5, 2013
REMONDIS PRODUCTION GMBH
Andreas Huebner
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Application
RECOVERY OF INORGANIC SALT DURING PROCESSING OF LIGNOCELLULOSIC FEE...
Publication number
20120329096
Publication date
Dec 27, 2012
IOGEN ENERGY CORPORATION
Brian Foody
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Application
Impurities removal from waste solids in the production of soda ash,...
Publication number
20110274599
Publication date
Nov 10, 2011
SOLVAY CHEMICALS, INC.
Ronald O. HUGHES
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Process to Produce Sodium Sulfate and Magnesium Hydroxide
Publication number
20100254867
Publication date
Oct 7, 2010
SERVICIOS INDUSTRIALES PEÑOLES SA DE CV
Jesus Manuel Martinez Martinez
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Removal of impurities in the production of crystalline sodium carbo...
Publication number
20100226840
Publication date
Sep 9, 2010
SOLVAY CHEMICALS, INC.
James D. PHILLIP
C01 - INORGANIC CHEMISTRY
Information
Patent Application
RECOVERY OF INORGANIC SALT DURING PROCESSING OF LIGNOCELLULOSIC FEE...
Publication number
20100003733
Publication date
Jan 7, 2010
IOGEN ENERGY CORPORATION
Brian Foody
C05 - FERTILISERS MANUFACTURE THEREOF