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Tetsuya Ikemoto
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Quaternary ammonium salt
Patent number
9,259,723
Issue date
Feb 16, 2016
Sumitomo Chemical Company, Limited
Toshiaki Aikawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing optically active 1-amino-2-vinylcyclopropaneca...
Patent number
8,742,162
Issue date
Jun 3, 2014
Sumitomo Chemical Company, Limited
Toshiaki Aikawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing optically active 4-amino-3-substituted phenylbu...
Patent number
8,293,926
Issue date
Oct 23, 2012
Sumitomo Chemical Company, Limited
Junichi Yasuoka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing trans-dibenzoxenopyrrole compound and interme...
Patent number
8,288,564
Issue date
Oct 16, 2012
Sumitomo Chemical Company, Limited
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing hexahydrofurofuranol derivative
Patent number
7,951,977
Issue date
May 31, 2011
Sumitomo Chemical Company, Limited
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing an aromatic unsaturated compound
Patent number
7,939,674
Issue date
May 10, 2011
Sumitomo Chemical Company, Limited
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing an aromatic unsaturated compound
Patent number
7,700,642
Issue date
Apr 20, 2010
Sumitomo Chemical Company, Limited
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroxy-protecting reagent and method of protecting hydroxy with th...
Patent number
7,605,286
Issue date
Oct 20, 2009
Sumitomo Chemical Company, Limited
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of hexahydrofurofuranol derivative, intermediate...
Patent number
7,468,448
Issue date
Dec 23, 2008
Sumitomo Chemical Company, Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production methods of epoxytriazole derivative and intermediate the...
Patent number
7,297,802
Issue date
Nov 20, 2007
Sumitomo Chemical Company, Limited
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of citalopram, intermediate therefor and producti...
Patent number
7,119,215
Issue date
Oct 10, 2006
Sumitomo Chemical Company Limited
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Citalopram hydrobromide crystal and method for crystallization thereof
Patent number
6,977,306
Issue date
Dec 20, 2005
Sumitomo Chemical Company, Limited
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of an intermediate for citalopram
Patent number
6,946,564
Issue date
Sep 20, 2005
Sumitomo Chemical Company, Limited
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production methods of citalopram and intermediates therefor
Patent number
6,930,211
Issue date
Aug 16, 2005
Sumitomo Chemical Company, Limited
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production methods of epoxytriazole derivative and intermediate the...
Patent number
6,884,892
Issue date
Apr 26, 2005
Sumitomo Chemical Company, Limited
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of hexahydrofurofuranol derivative, intermediate...
Patent number
6,867,321
Issue date
Mar 15, 2005
Sumitomo Chemical Company, Limited
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of 2-cyclohexyl-2-hydroxy-2-phenylacetic acid int...
Patent number
6,777,576
Issue date
Aug 17, 2004
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production methods of citalopram and an intermediate therefor
Patent number
6,458,975
Issue date
Oct 1, 2002
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production methods of 5-phthalancarbonitrile compound and an interm...
Patent number
6,433,195
Issue date
Aug 13, 2002
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of citalopram, intermediate therefor and producti...
Patent number
6,433,196
Issue date
Aug 13, 2002
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of 5-phthalancarbonitrile compound, intermediate...
Patent number
6,395,910
Issue date
May 28, 2002
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production method of 5-phthalancarbonitrile compound, intermediate...
Patent number
6,310,222
Issue date
Oct 30, 2001
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR PRODUCING ESTER COMPOUND
Publication number
20140094616
Publication date
Apr 3, 2014
SUMITOMO CHEMICAL COMPANY, LIMITED
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
QUATERNARY AMMONIUM SALT
Publication number
20130296552
Publication date
Nov 7, 2013
Sumitomo Chemical Company, Limited
Toshiaki Aikawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING OPTICALLY ACTIVE 1-AMINO-2-VINYLCYCLOPROPANECA...
Publication number
20120130116
Publication date
May 24, 2012
Sumitomo Chemical Company, Limited
Toshiaki Aikawa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING 1-SUBSTITUTED TRANS-4-(SUBSTITUTED AMINO) PIP...
Publication number
20110172431
Publication date
Jul 14, 2011
SUMITOMO CHEMICAL COMPANY, LIMITED
Toshiaki Aikawa
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING N-SUBSTITUTED-TRANS-4-AZIDOPIPERIDINE-3-OL
Publication number
20110166357
Publication date
Jul 7, 2011
SUMITOMO CHEMICAL COMPANY, LIMITED
Osamu Tokuda
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING TRANS-DIBENZOXENOPYRROLE COMPOUND AND INTERME...
Publication number
20110046393
Publication date
Feb 24, 2011
SUMITOMO CHEMICAL COMPANY LIMITED
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
MANUFACTURING METHOD FOR A PIPERIDINE-3-YLCARBAMATE COMPOUND AND OP...
Publication number
20110021780
Publication date
Jan 27, 2011
SUMITOMO CHEMICAL COMPANY, LIMITED
Yosuke Watanabe
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR OPTICAL RESOLUTION OF ALKYL PIPERIDIN-3-YL CARBAMATE AND...
Publication number
20100331546
Publication date
Dec 30, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Yosuke Watanabe
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE MIRTAZAPINE
Publication number
20100179319
Publication date
Jul 15, 2010
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing hexahydrofurofuranol derivative
Publication number
20090176999
Publication date
Jul 9, 2009
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of Producing Optically Active 4-Amino-3-Substituted Phenylbu...
Publication number
20090137819
Publication date
May 28, 2009
Junichi Yasuoka
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR PRODUCING AN AROMATIC UNSATURATED COMPOUND
Publication number
20090111999
Publication date
Apr 30, 2009
Sumitomo Chemical Company, Limited
Weiqi WANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for Producing an Aromatic Unsaturated Compound
Publication number
20080221337
Publication date
Sep 11, 2008
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Hydroxy-protecting reagent and method of protecting hydroxy with th...
Publication number
20070155983
Publication date
Jul 5, 2007
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production methods of citalopram and intermediates therefor
Publication number
20060167285
Publication date
Jul 27, 2006
Sumitomo Chemical Company, Limited
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of hexahydrofurofuranol derivative, intermediate...
Publication number
20050256322
Publication date
Nov 17, 2005
Sumitomo Chemical Company, Limited
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production methods of citalopram and intermediates therefor
Publication number
20050080278
Publication date
Apr 14, 2005
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production methods of epoxytriazole derivative and intermediate the...
Publication number
20040267024
Publication date
Dec 30, 2004
Sumika Fine Chemicals Co., Ltd.
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of citalopram, intermediate therefor and producti...
Publication number
20040230066
Publication date
Nov 18, 2004
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of hexahydrofurofuranol derivative, intermediate...
Publication number
20040162340
Publication date
Aug 19, 2004
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of citalopram, intermediate therefor and producti...
Publication number
20040138497
Publication date
Jul 15, 2004
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production methods of citalopram and intermediates therefor
Publication number
20040044232
Publication date
Mar 4, 2004
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production methods of epoxytriazole derivative and intermediate the...
Publication number
20030236419
Publication date
Dec 25, 2003
Sumika Fine Chemicals Co., Ltd.
Weiqi Wang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of 2-cyclohexyl- 2-hydroxy-2-phenylacetic acid in...
Publication number
20030013911
Publication date
Jan 16, 2003
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production methods of 5-phthalancarbonitrile compound and an interm...
Publication number
20020151728
Publication date
Oct 17, 2002
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of citalopram, intermediate therefor and producti...
Publication number
20020095051
Publication date
Jul 18, 2002
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PRODUCTION METHOD OF CITALOPRAM, INTERMMEDIATE THEREFOR AND PRODUCT...
Publication number
20020062040
Publication date
May 23, 2002
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of 5-phthalancarbonitrile compound, intermediate...
Publication number
20020045770
Publication date
Apr 18, 2002
Sumika Fine Chemicals Co., Ltd.
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Production method of 5-phthalancarbonitrile compound, intermediate...
Publication number
20010056194
Publication date
Dec 27, 2001
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Citalopram hydrobromide crystal and method for crystallization thereof
Publication number
20010049450
Publication date
Dec 6, 2001
Tetsuya Ikemoto
C07 - ORGANIC CHEMISTRY