Ryuhei Matsui

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyphenylene ether resin composition
- Patent number 5,484,831
- Issue date Jan 16, 1996
- Sumitomo Chemical Company, Limited
- Hideyuki Higashimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyphenylene ether, dispersing polyether in...
- Patent number 4,895,929
- Issue date Jan 23, 1990
- Mitsubishi Petrochemical Co., Ltd.
- Katsuhiro Abe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyphenylene oxide with alkanolamine and sec...
- Patent number 4,868,276
- Issue date Sep 19, 1989
- Sumitomo Chemical Company
- Kenji Nagaoka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...