Nobuhiro Arai

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Nagaokakyo-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of purifying epoxy compound
- Patent number 7,459,573
- Issue date Dec 2, 2008
- Sumitomo Chemical Company, Limited
- Tadashi Mizuno
- 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
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 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 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

Patents Applicationslast 30 patents

Information Patent Application
Method of purifying epoxy compound
- Publication number 20080081921
- Publication date Apr 3, 2008
- Sumitomo Chemical Company, Limited
- Tadashi Mizuno
- 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 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
Citalopram hydrobromide crystal and method for crystallization thereof
- Publication number 20010049450
- Publication date Dec 6, 2001
- Tetsuya Ikemoto
- C07 - ORGANIC CHEMISTRY