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Tetsuya Watanabe
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Iwaki, JA
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last 30 patents
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Patent Grant
An absorbing solution for the removal of nitrogen oxide form a gas...
Patent number
4,087,372
Issue date
May 2, 1978
Kureha Kagaku Kogyo Kabushiki Kaisha
Shigeru Saitoh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of removing nitrogen oxides from a gas as a salt of imidodis...
Patent number
4,055,623
Issue date
Oct 25, 1977
Kureha Kagaku Kogyo Kabushiki Kaisha
Shigeru Saitoh
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for removing hydrogen chloride from exhaust gas containing same
Patent number
4,022,869
Issue date
May 10, 1977
Kureha Kagaku Kogyo Kabushiki Kaisha
Shigeru Saitoh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of removing nitrogen oxides from a gas containing nitrogen o...
Patent number
3,992,508
Issue date
Nov 16, 1976
Kureha Kagaku Kogyo Kabushiki Kaisha
Shigeru Saitoh
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of removing nitrogen oxides from a gas and for converting sa...
Patent number
3,991,161
Issue date
Nov 9, 1976
Kureha Kagaku Kogyo Kabushiki Kaisha
Shigeru Saitoh
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for removing sulfur dioxide from exhaust gas
Patent number
3,987,149
Issue date
Oct 19, 1976
Kureha Kagaku Kogyo Kabushiki Kaisha
Shigeru Saitoh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL