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Kohta Fukui
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Chiba, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for producing fluorene derivative
Patent number
8,841,491
Issue date
Sep 23, 2014
Taoka Chemical Co., Ltd.
Katsuhiro Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Noncrystalline form of fluorene derivative and process for preparat...
Patent number
8,436,214
Issue date
May 7, 2013
Taoka Chemcial Co., Ltd.
Katsuhiro Fujii
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
NONCRYSTALLINE FORM OF FLUORENE DERIVATIVE AND PROCESS FOR PREPARAT...
Publication number
20120095270
Publication date
Apr 19, 2012
Taoka Chemical Co., Ltd.
Katsuhiro Fujii
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING FLUORENE DERIVATIVE
Publication number
20120029244
Publication date
Feb 2, 2012
Taoka Chemical Co., Ltd.
Katsuhiro Fujii
C07 - ORGANIC CHEMISTRY