TREA

Ryuichi Takasawa

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  • Sodegaura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Preparation of cyanoaryl ether copolymer
    • Patent number 4,703,104
    • Issue date Oct 27, 1987
    • Idemitsu Kosan Company Limited
    • Shigeru Matsuo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...