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Tadashi Katsura
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing N-methacryloyl-4-cyano-3-trifluoromethylaniline
Patent number
8,288,579
Issue date
Oct 16, 2012
Sumitomo Chemical Company, Limited
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of crystallization of bicalutamide
Patent number
7,632,971
Issue date
Dec 15, 2009
Sumitomo Chemical Company, Limited
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for recovering 1,3-dimethyl-2-imidazolidinone
Patent number
7,132,548
Issue date
Nov 7, 2006
Sumitomo Chemical Company, Limited
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystal of bicalutamide and production method thereof
Patent number
7,132,560
Issue date
Nov 7, 2006
Sumitomo Chemical Company, Limited
Tetsuya Shintaku
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of racemic 3-hydroxy-3-(2-phenylethyl)hexanoic ac...
Patent number
7,038,075
Issue date
May 2, 2006
Sumitomo Chemical Company, Limited
Masahide Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a piperidine derivative
Patent number
6,815,548
Issue date
Nov 9, 2004
Sumika Fine Chemicals Co., Ltd.
Kiyoshi Sugi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystal of bicalutamide and production method thereof
Patent number
6,740,770
Issue date
May 25, 2004
Sumika Fine Chemicals Co., Ltd.
Tetsuya Shintaku
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of (R)-3 hydroxy-3-(2-phenylethyl) hexanoic acid...
Patent number
6,683,207
Issue date
Jan 27, 2004
Sumika Fine Chemicals Co., Ltd.
Masahide Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a piperidine derivative
Patent number
6,610,851
Issue date
Aug 26, 2003
Sumika Fine Chemicals Co., Ltd.
Kiyoshi Sugi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivative and process for preparing the same
Patent number
6,476,227
Issue date
Nov 5, 2002
Sumika Fine Chemicals Co., Ltd.
Kiyoshi Sugi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing tert-butyl 4′-methyl-2-biphenylcarbox...
Patent number
6,369,266
Issue date
Apr 9, 2002
Sumika Fine Chemicals, Co.,Ltd.
Tetsuya Shintaku
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Crystalline or crystallized acid addition salt of losartan and puri...
Patent number
6,350,880
Issue date
Feb 26, 2002
Sumika Fine Chemicals Co., Ltd.
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing tert-alkyl ester from carboxylic acid
Patent number
6,333,430
Issue date
Dec 25, 2001
Sumika Fine Chemicals Co., Ltd.
Tetsuya Shintaku
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2-cyanobiphenyl compound
Patent number
5,998,652
Issue date
Dec 7, 1999
Sumika Fine Chemicals Co., Ltd.
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Piperidine derivative and process for preparing the same
Patent number
5,948,914
Issue date
Sep 7, 1999
Sumika Fine Chemicals Co., Ltd.
Kiyoshi Sugi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 4'-methyl-2-cyanobiphenyl
Patent number
5,892,094
Issue date
Apr 6, 1999
Sumika Fine Chemicals Co., Ltd.
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing 4'-bromomethyl-2-cyanobiphenyl
Patent number
5,621,134
Issue date
Apr 15, 1997
Sumika Fine Chemicals Co., Ltd.
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active 4-hydroxy-2-cyclopentenones, and their production
Patent number
4,729,953
Issue date
Mar 8, 1988
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of cyclopentenone derivatives
Patent number
4,665,174
Issue date
May 12, 1987
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 4-hydroxy-2-cyclopentenones
Patent number
4,608,442
Issue date
Aug 26, 1986
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing an optically active 2,2-dimethylcyclopropaneca...
Patent number
4,542,235
Issue date
Sep 17, 1985
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Synthesis of amine derivatives
Patent number
4,536,599
Issue date
Aug 20, 1985
Sumitomo Chemical Company, Limited
Fujio Masuko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2-cyclopentenone esters
Patent number
4,535,182
Issue date
Aug 13, 1985
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 4-cyclopentenones
Patent number
4,511,655
Issue date
Apr 16, 1985
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 2-cyclopentenone derivatives
Patent number
4,496,767
Issue date
Jan 29, 1985
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING N-METHACRYLOYL-4-CYANO-3-TRIFLUOROMETHYLANILINE
Publication number
20100249446
Publication date
Sep 30, 2010
Sumitomo Chemical Company, Limited
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of Crystallization of Bicalutamide
Publication number
20070238900
Publication date
Oct 11, 2007
SUMITOMO CHEMICAL COMPNAY, LIMITED
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing bicalutamide and method of purifying intermed...
Publication number
20060183934
Publication date
Aug 17, 2006
Sumitomo Chemical Company, Limited
Tetsuya Shintaku
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for recovering 1,3-dimethyl-2-imidazolidinone
Publication number
20050261505
Publication date
Nov 24, 2005
Sumitomo Chemical Company, Limited
Tadashi Katsura
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of (R)-3- hydroxy-3-(2-phenylethyl)hexanoic acid...
Publication number
20040138496
Publication date
Jul 15, 2004
Sumika Fine Chemicals Co., Ltd.
Masahide Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Crystal of bicalutamide and production method thereof
Publication number
20040133031
Publication date
Jul 8, 2004
Sumika Fine Chemicals Co., Ltd.
Tetsuya Shintaku
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Crystal of bicalutamide and production method thereof
Publication number
20030191337
Publication date
Oct 9, 2003
Tetsuya Shintaku
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of (R) -3 hydroxy-3- (2-phenylethyl) hexanoic aci...
Publication number
20030176507
Publication date
Sep 18, 2003
Sumika Fine Chemicals Co., Ltd.
Masahide Tanaka
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for preparing a piperidine derivative
Publication number
20030144519
Publication date
Jul 31, 2003
Sumika Fine Chemicals Co., Ltd.
Kiyoshi Sugi
C07 - ORGANIC CHEMISTRY