Hiroko Watanabe

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Meguro, JP

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Patents Grantslast 30 patents

Information Patent Grant
Adsorbent composed of porous beads of chitosan and adsorption metho...
- Patent number 4,879,340
- Issue date Nov 7, 1989
- Showa Denko Kabushiki Kaisha
- Soyao Moriguchi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE