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Takayuki Higashi
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Kishiwada, JP
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last 30 patents
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Patent Grant
Optically active ester derivatives, preparation process thereof, li...
Patent number
5,264,151
Issue date
Nov 23, 1993
Sumitomo Chemical Company, Limited
Takayuki Higashi
C07 - ORGANIC CHEMISTRY
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Patent Grant
Optically active benzene derivatives and process for preparation th...
Patent number
4,985,590
Issue date
Jan 15, 1991
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY