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Tetsuro Kawashita
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Ube, JP
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last 30 patents
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Patent Grant
Method of refining dihydroxyaryl compound
Patent number
6,554,967
Issue date
Apr 29, 2003
Ube Industries, Ltd.
Shuji Tanaka
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for preparing carbonic diester
Patent number
5,380,906
Issue date
Jan 10, 1995
Ube Industries, Ltd.
Keigo Nishihira
C07 - ORGANIC CHEMISTRY