Hiroharu Kumazawa

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing (Z)-1-phenyl-1-(N,N-diethylaminocarbonyl)-2-...
- Patent number 7,943,785
- Issue date May 17, 2011
- Sumitomo Chemical Company, Limited
- Yoshihide Niimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing (Z)-1-phenyl-1-diethylaminocarbonyl-2-aminome...
- Patent number 7,592,485
- Issue date Sep 22, 2009
- Sumitomo Chemical Company, Limited
- Yoshihide Niimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing (Z)-1-phenyl-1-diethylaminocarbonyl-2-hydroxy...
- Patent number 7,432,396
- Issue date Oct 7, 2008
- Sumitomo Chemical Company, Limited
- Yoshihide Niimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2,6-dihalogenopurine
- Patent number 7,321,035
- Issue date Jan 22, 2008
- Sumitomo Chemical Company, Limited
- Naruhito Masai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production method of 2,6-dihalopurine
- Patent number 7,307,167
- Issue date Dec 11, 2007
- Sumitomo Chemical Company, Limited
- Taketo Hayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2,6-dihalogenopurine
- Patent number 6,936,713
- Issue date Aug 30, 2005
- Sumitomo Chemical Company, Limited
- Naruhito Masai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2,6-dichloropurine
- Patent number 6,455,696
- Issue date Sep 24, 2002
- Sumika Fine Chemicals Co., Ltd.
- Taketo Hayashi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING (Z)-1-PHENYL-1-(N,N-DIETHYLAMINOCARBONYL)-2-P...
- Publication number 20110130576
- Publication date Jun 2, 2011
- Sumitomo Chemical Company, Limited
- Yoshihide NIIMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Producing (Z)-1-Phenyl-1-(N,N-Diethylaminocarbonyl)-2-P...
- Publication number 20090292127
- Publication date Nov 26, 2009
- Sumitomo Chemical Company, Limited
- Yoshihide Niimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Producing 2-Oxo-1-Phenyl-3-Oxabicyclo[3.1.0]Hexane
- Publication number 20080064885
- Publication date Mar 13, 2008
- Sumitomo Chemical Company, Limited
- Yoshihide Niimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process For Producing (Z)-1-Phenyl-1-Diethylaminocarbonyl-2-Aminome...
- Publication number 20080051604
- Publication date Feb 28, 2008
- Sumitomo Chemical Company, Limited
- Yoshihide Niimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Producing (Z)-1-Phenyl-1-Diethylaminocarbonyl-2-Hydroxy...
- Publication number 20070249864
- Publication date Oct 25, 2007
- Sumitomo Chemical Company, Limited
- Yoshihide Niimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Alkynylpurine compounds and production methods thereof
- Publication number 20060100429
- Publication date May 11, 2006
- Taketo Hayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Production method of 2,6-dihalopurine
- Publication number 20050131229
- Publication date Jun 16, 2005
- Taketo Hayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing 2,6-dihalogenopurine
- Publication number 20050090666
- Publication date Apr 28, 2005
- Sumitomo Chemical Company, Limited
- Naruhito Masai
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing 2,6-dihalogenopurine
- Publication number 20030144508
- Publication date Jul 31, 2003
- Naruhito Masai
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing 2,6-dichloropurine
- Publication number 20020004598
- Publication date Jan 10, 2002
- Sumika Fine Chemicals Co., Ltd.
- Taketo Hayashi
- C07 - ORGANIC CHEMISTRY

Hiroharu Kumazawa

Person

Patents Grantslast 30 patents

Process for producing (Z)-1-phenyl-1-(N,N-diethylaminocarbonyl)-2-...

Process for producing (Z)-1-phenyl-1-diethylaminocarbonyl-2-aminome...

Process for producing (Z)-1-phenyl-1-diethylaminocarbonyl-2-hydroxy...

Process for producing 2,6-dihalogenopurine

Production method of 2,6-dihalopurine

Process for producing 2,6-dihalogenopurine

Process for preparing 2,6-dichloropurine

Patents Applicationslast 30 patents

PROCESS FOR PRODUCING (Z)-1-PHENYL-1-(N,N-DIETHYLAMINOCARBONYL)-2-P...

Process for Producing (Z)-1-Phenyl-1-(N,N-Diethylaminocarbonyl)-2-P...

Process for Producing 2-Oxo-1-Phenyl-3-Oxabicyclo[3.1.0]Hexane

Process For Producing (Z)-1-Phenyl-1-Diethylaminocarbonyl-2-Aminome...

Process for Producing (Z)-1-Phenyl-1-Diethylaminocarbonyl-2-Hydroxy...

Alkynylpurine compounds and production methods thereof

Production method of 2,6-dihalopurine

Process for producing 2,6-dihalogenopurine

Process for producing 2,6-dihalogenopurine

Process for preparing 2,6-dichloropurine