Kiichi Izumida

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Ichihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing styrenic polymer
- Patent number 5,191,040
- Issue date Mar 2, 1993
- Idemitsu Petrochemical Co., Ltd.
- Ryozo Okumura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...