Ritsuko Hirakawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Production process of bifunctional epoxy monomer by selective oxida...
- Patent number 7,696,366
- Issue date Apr 13, 2010
- Showa Denko K.K.
- Hiroshi Uchida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymer of polycarbonate diol having an alicyclic structure and pro...
- Patent number 7,642,334
- Issue date Jan 5, 2010
- Showa Denko K.K.
- Hiroshi Uchida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
CARBOXYL GROUP-CONTAINING POLYURETHANE, HEAT-CURABLE RESIN COMPOSIT...
- Publication number 20090082518
- Publication date Mar 26, 2009
- SHOWA DENKO K.K.
- Hiroshi Uchida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMER OF POLYCARBONATE DIOL HAVING AN ALICYCLIC STRUCTURE AND PRO...
- Publication number 20090030242
- Publication date Jan 29, 2009
- SHOWA DENKO K.K.
- Hiroshi Uchida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PRODUCTION PROCESS OF BIFUNCTIONAL EPOXY MONOMER BY SELECTIVE OXIDA...
- Publication number 20090030217
- Publication date Jan 29, 2009
- Showa Denko K.K.
- Hiroshi Uchida
- C07 - ORGANIC CHEMISTRY