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last 30 patents
Information
Patent Grant
Process for electrolysis of sodium chloride
Patent number
4,683,040
Issue date
Jul 28, 1987
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for electrolysis of sodium chloride
Patent number
4,683,041
Issue date
Jul 28, 1987
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Multi-cell electrolyzer
Patent number
4,643,818
Issue date
Feb 17, 1987
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Cation exchange membrane and use thereof in the electrolysis of sod...
Patent number
4,357,218
Issue date
Nov 2, 1982
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Purification of formaldehyde by separation
Patent number
4,285,811
Issue date
Aug 25, 1981
Asahi Kasei Kogyo Kabushiki Kaisha
Tetsuya Miyake
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of high purity aqueous alkali hydroxide...
Patent number
4,276,130
Issue date
Jun 30, 1981
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for the production of a high purity terephthalic acid
Patent number
4,230,882
Issue date
Oct 28, 1980
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrolysis of aqueous alkali metal halide solution
Patent number
4,209,367
Issue date
Jun 24, 1980
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for electrolysis of sodium chloride by use of cation exchan...
Patent number
4,209,369
Issue date
Jun 24, 1980
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Cation exchange membrane and use thereof in the electrolysis of sod...
Patent number
4,178,218
Issue date
Dec 11, 1979
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for separation of hydrocarbon mixture
Patent number
4,159,284
Issue date
Jun 26, 1979
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Purification of formaldehyde by separation
Patent number
4,137,054
Issue date
Jan 30, 1979
Asahi Kasei Kogyo Kabushiki Kaisha
Tetsuya Miyake
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparation of cation exchange membranes
Patent number
4,126,589
Issue date
Nov 21, 1978
Asahi Kasei Kogyo Kabushiki Kaisha
Masato Hamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for electrolysis of aqueous alkali metal halide solution
Patent number
4,123,336
Issue date
Oct 31, 1978
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Redox uranium isotope separation using anion exchangers
Patent number
4,118,457
Issue date
Oct 3, 1978
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Bipolar system electrolytic cell
Patent number
4,111,779
Issue date
Sep 5, 1978
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Chromatographic separation of uranium isotopes
Patent number
4,112,044
Issue date
Sep 5, 1978
Asahi Kasei Kogyo Kabushiki Kaisha
Tetsuya Miyake
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Separation of uranium isotopes using anion exchangers
Patent number
4,112,045
Issue date
Sep 5, 1978
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Electrolysis
Patent number
4,108,742
Issue date
Aug 22, 1978
Asahi Kasei Kogyo Kabushiki Kaisha
Maomi Seko
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR