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Katsumi Hanji

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Patents Grantslast 30 patents

  • Information Patent Grant

    Solid catalyst component for olefin polymerization
    • Patent number 4,550,094
    • Issue date Oct 29, 1985
    • Sumitomo Chemical Company, Limited
    • Katsumi Hanji
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Solid catalyst component for olefin polymerization
    • Patent number 4,497,906
    • Issue date Feb 5, 1985
    • Sumitomo Chemical Company, Limited
    • Katsumi Hanji
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the polymerization of ethylene
    • Patent number 4,352,915
    • Issue date Oct 5, 1982
    • Sumitomo Chemical Company, Limited
    • Kentaro Mashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing olefin polymers
    • Patent number 4,339,351
    • Issue date Jul 13, 1982
    • Sumitomo Chemical Company, Limited
    • Kentaro Mashita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst system
    • Patent number 4,279,776
    • Issue date Jul 21, 1981
    • Sumitomo Chemical Company, Limited
    • Akinobu Shiga
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing highly stereoregular .alpha.-olefin polymers
    • Patent number 4,235,984
    • Issue date Nov 25, 1980
    • Sumitomo Chemical Company, Limited
    • Akinobu Shiga
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...