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Hiroki Wakayama
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Suita, JP
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last 30 patents
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Patent Grant
Reaction distillation apparatus and reaction distillation method
Patent number
6,057,470
Issue date
May 2, 2000
Nippon Shokubai Co., Ltd.
Hideaki Tsuneki
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for preparing aromatic carbonic ester
Patent number
5,874,605
Issue date
Feb 23, 1999
Nippon Shokubai Co., Ltd.
Hiroshi Yoshida
C07 - ORGANIC CHEMISTRY