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Kazukiyo Arakawa
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Himeji, JP
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last 30 patents
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Patent Grant
Distillation method and distillation apparatus
Patent number
6,294,056
Issue date
Sep 25, 2001
Nippon Shokubai Co., Ltd.
Yukihiro Matsumoto
C07 - ORGANIC CHEMISTRY
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Patent Grant
Purifier and purifying method for polymerizable organic compounds
Patent number
6,214,174
Issue date
Apr 10, 2001
Nippon Shokubai Co., Ltd.
Hajime Matsumoto
C07 - ORGANIC CHEMISTRY