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Keisuke Sugita
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Niihama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing cycloalkanol and/or cycloalkanone
Patent number
7,923,583
Issue date
Apr 12, 2011
Sumitomo Chemical Company, Limited
Masahiro Hoshino
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing cycloalkanol and/or cycloalkanone
Patent number
7,910,777
Issue date
Mar 22, 2011
Sumitomo Chemical Company, Limited
Masahiro Hoshino
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for regenerating catalyst for producing e-caprolactam and p...
Patent number
7,687,621
Issue date
Mar 30, 2010
Sumitomo Chemical Company, Limited
Keisuke Sugita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing ε-caprolactam
Patent number
7,189,845
Issue date
Mar 13, 2007
Sumitomo Chemical Company, Limited
Keisuke Sugita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for manufacturing zeolite and method for manufacturing ε-cap...
Patent number
7,060,645
Issue date
Jun 13, 2006
Sumitomo Chemical Company, Limited
Masahiro Hoshino
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing ε-caprolactam and method for reactivating cata...
Patent number
7,026,474
Issue date
Apr 11, 2006
Sumitomo Chemical Company, Limited
Keisuke Sugita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing ε-caprolactam and catalyst for the production
Patent number
6,946,553
Issue date
Sep 20, 2005
Sumitomo Chemical Company, Limited
Keisuke Sugita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing ε-caprolactam and reactor for the method
Patent number
6,531,595
Issue date
Mar 11, 2003
Sumitomo Chemical Company, Limited
Wolfgang F. Hölderich
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing pentacyl-type crystalline zeolites and a proc...
Patent number
6,303,099
Issue date
Oct 16, 2001
Sumitomo Chemical Company, Limited
Hiroshi Ichihashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing olefin oxides
Patent number
5,573,989
Issue date
Nov 12, 1996
Sumitomo Chemical Company, Limited
Keisuke Sugita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing a high purity caprolactam
Patent number
5,525,725
Issue date
Jun 11, 1996
Sumitomo Chemical Company, Limited
Yasuhiko Higashio
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing olefin oxides
Patent number
5,525,741
Issue date
Jun 11, 1996
Sumitomo Chemical Company, Limited
Keisuke Sugita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing a high purity caprolactam
Patent number
5,459,261
Issue date
Oct 17, 1995
Sumitomo Chemical Company, Limited
Yasuhiko Higashio
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing a high purity caprolactam
Patent number
5,362,870
Issue date
Nov 8, 1994
Sumitomo Chemical Company, Ltd.
Yasuhiko Higashio
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Method for Producing Cycloalkanol and/or Cycloalkanone
Publication number
20100069677
Publication date
Mar 18, 2010
Sumitomo Chemical Company, Limited
Masahiro HOSHINO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PRODUCING CYCLOALKANOL AND/OR CYCLOALKANONE
Publication number
20090227814
Publication date
Sep 10, 2009
Sumitomo Chemical Company, Limited
Masahiro HOSHINO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for regenerating catalyst for producing e-caprolactam and p...
Publication number
20080033168
Publication date
Feb 7, 2008
Sumitomo Chemical Company, Limited
Keisuke Sugita
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for manufacturing zeolite and method for manufacturing epsil...
Publication number
20060004194
Publication date
Jan 5, 2006
Sumitomo Chemical Company, Limited
Masahiro Hoshino
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing E-caprolactam
Publication number
20050245740
Publication date
Nov 3, 2005
Sumitomo Chemical Company, Limited
Keisuke Sugita
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Method for producing epsilon-caprolactam and method for reactivatin...
Publication number
20050182254
Publication date
Aug 18, 2005
Sumitomo Chemical Company, Limited
Keisuke Sugita
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing epsilon-caprolactam and catalyst for the prod...
Publication number
20030165425
Publication date
Sep 4, 2003
Keisuke Sugita
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method for producing epsilon-caprolactam and reactor for the method
Publication number
20020042509
Publication date
Apr 11, 2002
Wolfgang F. Holderich
C07 - ORGANIC CHEMISTRY