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Junpei Kozima

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing propylene copolymer
    • Patent number 4,696,979
    • Issue date Sep 29, 1987
    • Sumitomo Chemical Company, Limited
    • Akinobu Shiga
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...