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Fuji, JP
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last 30 patents
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Patent Grant
Process for adsorption treatment of dissolved fluorine
Patent number
4,717,554
Issue date
Jan 5, 1988
Asahi Kasei Kogyo Kabushiki Kaisha
Junji Nomura
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Selective separation of borate ions in water
Patent number
4,666,883
Issue date
May 19, 1987
Asahi Kasei Kogyo Kabushiki Kaisha
Junji Nomura
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Selective separation of borate ions in water
Patent number
4,596,659
Issue date
Jun 24, 1986
Asahi Kasei Kogyo Kabushiki Kaisha
Junji Nomura
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for the separation of elements by chromatography
Patent number
4,411,793
Issue date
Oct 25, 1983
Asahi Kasei Kogyo Kabushiki Kaisha
Michio Kato
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for producing acrylonitrile polymer film
Patent number
4,144,299
Issue date
Mar 13, 1979
Asahi Kasei Kogyo Kabushiki Kaisha
Akio Inoue
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL