TREA

Masahisa Ohkawa

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  • Niihama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the polymerization of olefins
    • Patent number 4,217,432
    • Issue date Aug 12, 1980
    • Sumitomo Chemical Company, Limited
    • Akinobu Shiga
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalysts for polymerization of olefins
    • Patent number 4,123,387
    • Issue date Oct 31, 1978
    • Sumitomo Chemical Company, Limited
    • Akinobu Shiga
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...