Hisako Sakuma

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Dusseldorf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Porous polymer particle, anion exchanger, producing method thereof,...
- Patent number 6,881,761
- Issue date Apr 19, 2005
- Showa Denko K.K.
- Takashi Kotsuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Porous polymer particle, anion exchanger, producing method thereof,...
- Publication number 20020004535
- Publication date Jan 10, 2002
- Takashi Kotsuka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL