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Naoyuki Kitamura
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing polymerized hydrocarbon
Patent number
7,138,484
Issue date
Nov 21, 2006
JFE Chemical Corporation
Takakazu Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Production process of 2,7-dibromofluorenone
Patent number
6,977,313
Issue date
Dec 20, 2005
JFE Chemical Corporation
Youko Sugio
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing bromofluorenes
Patent number
6,858,764
Issue date
Feb 22, 2005
JFE Chemical Corporation
Tetsuo Hachiya
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
LINEAR POLYIMIDE PRECURSOR, LINEAR POLYIMIDE AND HEAT-CURED PRODUCT...
Publication number
20120088109
Publication date
Apr 12, 2012
JFE CHEMICAL CORPORATION
Masatoshi Hasegawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ASYMMETRIC LINEAR POLYIMIDES AND THEIR POLYIMIDE PRECURSORS, AND TH...
Publication number
20100147564
Publication date
Jun 17, 2010
JFE CHEMICAL CORPORATION
Masatoshi Hasegawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PREPARATION OF 1,2,3,4-BENZENETETRACARBOXYLIC ACID
Publication number
20100056824
Publication date
Mar 4, 2010
JFE CHEMICAL CORPORATION
Naoyuki Kitamura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing polymerized hydrocarbon
Publication number
20050075478
Publication date
Apr 7, 2005
JFE CHEMICAL CORPORATION
Takakazu Yamamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Production process of 2,7-dibromofluorenone
Publication number
20040059160
Publication date
Mar 25, 2004
JFE CHEMICAL CORPORATION
Youko Sugio
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for preparing bromofluorenes
Publication number
20030065226
Publication date
Apr 3, 2003
ADCHEMCO Corporation
Tetsuo Hachiya
C07 - ORGANIC CHEMISTRY