Hiroshi Kakei

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Shinnan-yoshi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Agent for improving weatherability of synthetic resin
- Patent number 3,984,491
- Issue date Oct 5, 1976
- Tokuyama Sekisui Kogyo Kabushiki Kaisha
- Kyoichi Iwamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...