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Chiba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Dehydration method
Patent number
8,257,557
Issue date
Sep 4, 2012
Sumitomo Chemical Company, Limited
Tateo Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing propylene oxide
Patent number
7,915,434
Issue date
Mar 29, 2011
Sumitomo Chemical Company, Limited
Tateo Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing hydroxy compound
Patent number
7,807,855
Issue date
Oct 5, 2010
Sumitomo Chemical Company, Limited
Toshiaki Ui
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of chlorine purification and process for producing 1,2-dichl...
Patent number
7,132,579
Issue date
Nov 7, 2006
Sumitomo Chemical Company, Limited
Noriaki Oku
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing propylene oxide
Patent number
6,646,138
Issue date
Nov 11, 2003
Sumitomo Chemical Company, Limited
Noriaki Oku
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing propylene oxide
Patent number
6,646,139
Issue date
Nov 11, 2003
Sumitomo Chemical Company, Limited
Tateo Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing oxirane compound
Patent number
6,646,140
Issue date
Nov 11, 2003
Sumitomo Chemical Company, Limited
Noriaki Oku
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Method for Producing Propylene Oxide
Publication number
20090270641
Publication date
Oct 29, 2009
Sumitomo Chemical Company, Limited
Tateo Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PRODUCTION METHOD OF METHYL METHACRYLATE
Publication number
20090209782
Publication date
Aug 20, 2009
SUMITOMO CHEMICAL COMPANY, LIMITED
Masahiko Mizuno
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DEHYDRATION METHOD
Publication number
20090159422
Publication date
Jun 25, 2009
Sumitomo Chemical Company, Limited
Tateo Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for Producing Hydroxy Compound
Publication number
20090048470
Publication date
Feb 19, 2009
SUMITOMO CHEMICAL COMPANY, LIMITED
Toshiaki Ui
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for performing oxidation reaction
Publication number
20050148799
Publication date
Jul 7, 2005
Tateo Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method of chlorine purification and process for producing 1,2-dichl...
Publication number
20040179987
Publication date
Sep 16, 2004
Noriaki Oku
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing oxirane compound
Publication number
20030153775
Publication date
Aug 14, 2003
Noriaki Oku
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing propylene oxide
Publication number
20030139615
Publication date
Jul 24, 2003
Tateo Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing purified dicyclopentadiene and 5-ethylidene-2...
Publication number
20020156334
Publication date
Oct 24, 2002
Sumitomo Chemical Company, Limited
Tateo Seo
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing propylene oxide
Publication number
20020151730
Publication date
Oct 17, 2002
Sumitomo Chemical Company, Limited
Noriaki Oku
C07 - ORGANIC CHEMISTRY