Kenichi Takematsu

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for production of aziridines and N-vinylamides
- Patent number 6,924,378
- Issue date Aug 2, 2005
- Nippon Shokubai Co., Ltd.
- Yoshihisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crosslinked polymers containing tertiary amine and/or quaternary am...
- Patent number 6,646,083
- Issue date Nov 11, 2003
- Nippon Shokubai Co., Ltd.
- Yoshiaki Hirano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes for the preparation of aziridine compounds and vapor-phas...
- Patent number 6,566,534
- Issue date May 20, 2003
- Nippon Shokubai Co., Ltd.
- Yoshihisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Washing method for distillation system of nitrogen-containing polym...
- Patent number 6,550,485
- Issue date Apr 22, 2003
- Nippon Shokubai Co., Ltd.
- Yoshihisa Oka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process of manufacturing ethylene oxide
- Patent number 6,300,507
- Issue date Oct 9, 2001
- Nippon Shukubai Co Ltd
- Yoshihisa Oka
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Composition of N-Alkenyl Carboxylic Acid Tertiary Amide
- Publication number 20090306402
- Publication date Dec 10, 2009
- Nippon Shokubai Co., Ltd.
- Shukichi Ugamura
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for production of aziridines and N-vinylamides
- Publication number 20030204098
- Publication date Oct 30, 2003
- Yoshihisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Processes for the preparation of aziridine compounds and vapor-phas...
- Publication number 20020055642
- Publication date May 9, 2002
- NIPPON SHOKUBAI CO., LTD.
- Yoshihisa Oka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Washing method for distillation system of nitrogen-containing polym...
- Publication number 20020040725
- Publication date Apr 11, 2002
- NIPPON SHOKUBAI CO., LTD.
- Yoshihisa Oka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Crosslinked polymer, method for manufacturing it and use thereof
- Publication number 20020028887
- Publication date Mar 7, 2002
- Yoshiaki Hirano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process of manufacturing ethylene oxide
- Publication number 20010007035
- Publication date Jul 5, 2001
- NIPPON SHOKUBAI CO., LTD.
- Yoshihisa Oka
- C07 - ORGANIC CHEMISTRY