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Inorganic chemistry
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COMPOUNDS OF ALKALI METALS
C01D1/00
Oxides or hydroxides of sodium, potassium or alkali metals in general
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C01D1/42
Concentration Dehydration
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing a concentrated aqueous sodium hydroxide solution
Patent number
11,465,907
Issue date
Oct 11, 2022
Solvay S.A.
Alain Vandendoren
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for reducing fouling in evaporators in lithium hydroxide re...
Patent number
10,961,126
Issue date
Mar 30, 2021
VEOLIA WATER TECHNOLOGIES, INC.
Thomas Anthony Pecoraro
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Apparatus for making and concentrating an aqueous caustic alkali
Patent number
10,233,551
Issue date
Mar 19, 2019
Westlake Vinyl Corporation
Anthony B. Davis
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for concentrating an aqueous caustic alkali via splitting a...
Patent number
10,041,180
Issue date
Aug 7, 2018
Westlake Vinyl Corporation
Anthony B. Davis
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for concentrating aqueous lye and apparatus suitable therefor
Patent number
9,849,400
Issue date
Dec 26, 2017
Thyssenkrupp Uhde GmbH
Michael Benje
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for treating a sodium carbonate purge
Patent number
9,593,023
Issue date
Mar 14, 2017
Solvay S.A.
Alain Vandendoren
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and apparatus for making and concentrating an aqueous causti...
Patent number
8,986,517
Issue date
Mar 24, 2015
Westlake Vinyl Corporation
Anthony B. Davis
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of concentrating an aqueous caustic alkali using a catholyte...
Patent number
8,317,994
Issue date
Nov 27, 2012
Westlake Vinyl Corporation
Anthony B. Davis
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Corrosion inhibitor for protecting metallic materials in strongly a...
Patent number
7,468,158
Issue date
Dec 23, 2008
LANXESS Deutschland GmbH
Lutz Heuer
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Alkali metal hydroxide evaporator system
Patent number
6,669,837
Issue date
Dec 30, 2003
Sunbelt Chlor Alkali Partnership
Jonathan B. Diminnie
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for reducing the plating of nickel on vessels, piping and ce...
Patent number
6,200,455
Issue date
Mar 13, 2001
Pioneer (East) Inc.
John William Hegeman
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Alkali metal hydroxide generation system and the method therefor
Patent number
5,186,794
Issue date
Feb 16, 1993
Solar Reactor Technologies, Inc.
Robin Parker
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Apparatus for preparing high-concentration alkali
Patent number
4,927,494
Issue date
May 22, 1990
Sulzer-Escher Wyss AG
Robert Winkler
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for preparing high-concentration alkali
Patent number
4,830,707
Issue date
May 16, 1989
Sulzer-Escher Wyss AG
Robert Winkler
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of removing water from alkali metal hydroxide solutions
Patent number
4,505,885
Issue date
Mar 19, 1985
The Dow Chemical Company
William C. Sumner
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process and apparatus for the concentration of an alkaline solution
Patent number
4,383,887
Issue date
May 17, 1983
Bertrams AG
Hans Kuhnlein
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process and apparatus for the concentration of an alkaline solution
Patent number
4,357,206
Issue date
Nov 2, 1982
Bertrams AG
Hans Kuhnlein
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Concentration process by multistage, multiple effect evaporator
Patent number
4,132,588
Issue date
Jan 2, 1979
Asahi Kasei Kogyo Kabushiki Kaisha
Shinsaku Ogawa
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Multiple steam chest series flow evaporator
Patent number
4,120,746
Issue date
Oct 17, 1978
Hooker Chemicals & Plastics Corp.
Reynard W. Gingrich
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for concentrating aqueous caustic alkali solution
Patent number
4,090,932
Issue date
May 23, 1978
Asahi Kasei Kogyo Kabushiki Kaisha
Akira Kazihara
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Concentrating sodium or potassium hydroxide
Patent number
3,997,389
Issue date
Dec 14, 1976
Escher Wyss Limited
Robert Winkler
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Evaporation apparatus of special material
Patent number
3,937,646
Issue date
Feb 10, 1976
Hooker Chemicals & Plastics Corporation
James E. Houston
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
3872910
Patent number
3,872,910
Issue date
Mar 25, 1975
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3853722
Patent number
3,853,722
Issue date
Dec 10, 1974
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
3664885
Patent number
3,664,885
Issue date
May 23, 1972
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
3630262
Patent number
3,630,262
Issue date
Dec 28, 1971
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3332470
Patent number
3,332,470
Issue date
Jul 25, 1967
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3325251
Patent number
3,325,251
Issue date
Jun 13, 1967
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
3298797
Patent number
3,298,797
Issue date
Jan 17, 1967
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3273630
Patent number
3,273,630
Issue date
Sep 20, 1966
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING LITHIUM HYDROXIDE
Publication number
20240051838
Publication date
Feb 15, 2024
IDEMITSU KOSAN CO.,LTD.
Shota HOSHI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LAYERED DOUBLE HYDROXIDE ELECTRIDE AND METHOD FOR PRODUCING SAME
Publication number
20230083938
Publication date
Mar 16, 2023
Japan Science and Technology Agency
Masaaki KITANO
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR TREATING A SODIUM CARBONATE PURGE
Publication number
20210070620
Publication date
Mar 11, 2021
SOLVAY S.A.
Alain VANDENDOREN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR TREATING A SODIUM CARBONATE PURGE
Publication number
20170183237
Publication date
Jun 29, 2017
SOLVAY S.A.
Alain VANDENDOREN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR CONCENTRATING AQUEOUS LYE AND APPARATUS SUITABLE THEREFOR
Publication number
20140158518
Publication date
Jun 12, 2014
VINNOLIT GMBH & CO. KG
Michael Benje
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND APPARATUS FOR MAKING AND CONCENTRATING AN AQUEOUS CAUSTI...
Publication number
20130105332
Publication date
May 2, 2013
WESTLAKE VINYL CORPORATION
Anthony B. Davis
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Catholyte heat recovery evaporator and method of use
Publication number
20100032311
Publication date
Feb 11, 2010
Anthony B. Davis
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Corrosion inhibitor for protecting metallic materials in strongly a...
Publication number
20080267813
Publication date
Oct 30, 2008
Lutz Heuer
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Method for reducing corrosion in solid sodium hydroxide production
Publication number
20060083656
Publication date
Apr 20, 2006
Guy Franciscus Elza Windey
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Corrosion inhibitor for protecting metallic materials in strongly a...
Publication number
20030152479
Publication date
Aug 14, 2003
Lutz Heuer
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...