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Hirofumi Jyohoji

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  • Ichihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing .alpha.-olefin polymers
    • Patent number 5,189,124
    • Issue date Feb 23, 1993
    • Sumitomo Chemical Company, Limited
    • Toshio Sasaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...