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Hideo Sakka
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Yamaguchi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optically active epoxy compounds and processes for their production
Patent number
7,169,944
Issue date
Jan 30, 2007
Tosoh Corporation
Takumi Kagawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
OPTICALLY ACTIVE MALEIMIDE DERIVATIVES, OPTICALLY ACTIVE POLYMALEIM...
Patent number
6,777,526
Issue date
Aug 17, 2004
Tosoh Corporation
Takumi Kagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Brominated p-cumylphenol flame-retardants for resin composition
Patent number
5,777,007
Issue date
Jul 7, 1998
Tosoh Corporation
Takumi Kagawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing brominated acenaphthylene condensates
Patent number
4,898,998
Issue date
Feb 6, 1990
Toyo Soda Manufacturing Co., Ltd.
Masashige Kubo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparation of polybromoacenaphthene and/or its condensate
Patent number
4,822,931
Issue date
Apr 18, 1989
Tosoh Corporation
Fumio Okisaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for preparing bis[.beta.-(N,N-dimethylamino)ethyl]ether
Patent number
4,490,556
Issue date
Dec 25, 1984
Toyo Soda Manufacturing Co., Ltd.
Sadakatsu Kumoi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Bromination of side chain of m-phenoxytoluene
Patent number
4,302,306
Issue date
Nov 24, 1981
Toyo Soda Manufacturing Co., Ltd.
Kanzi Katsuragawa
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Optically active epoxy compounds and processes for their production
Publication number
20040063979
Publication date
Apr 1, 2004
TOSOH CORPORATION
Takumi Kagawa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Optically active maleimide derivatives, optically active polymaleim...
Publication number
20030069385
Publication date
Apr 10, 2003
TOSOH CORPORATION
Takumi Kagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...