Yukio Obuchi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyisocyanate curing agent, and coating composition and adhesive c...
- Patent number 5,354,834
- Issue date Oct 11, 1994
- Nippon Polyurethane Industry Co., Ltd.
- Mitsuhiro Yoshida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...