Shu Yoshida

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Narashino, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing a polyarylene thioether
- Patent number 4,983,720
- Issue date Jan 8, 1991
- Idemitsu Petrochemical Co., Ltd.
- Eishun Tsuchida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...