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Kunimichi Kubo

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for vapor phase polymerization of alpha-olefin
    • Patent number 5,648,581
    • Issue date Jul 15, 1997
    • Nippon Petrochemicals Company, Limited
    • Kunimichi Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Solid catalyst components for olefin polemerization and use thereof
    • Patent number 5,604,170
    • Issue date Feb 18, 1997
    • Nippon Oil Company, Limited
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method of vapor phase polymerization of olefins
    • Patent number 5,571,879
    • Issue date Nov 5, 1996
    • Nippon Petrochemicals Company, Limited
    • Makoto Jimbo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for operating reactor for polymerizing olefins
    • Patent number 5,543,478
    • Issue date Aug 6, 1996
    • Nippon Petrochemicals Company, Limited
    • Masahiro Niwa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing polyolefin
    • Patent number 5,525,687
    • Issue date Jun 11, 1996
    • Nippon Petrochemicals Company, Limited
    • Yoshihisa Yamaguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyolefins
    • Patent number 5,432,236
    • Issue date Jul 11, 1995
    • Nippon Oil Company, Limited
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing polyolefin
    • Patent number 5,385,991
    • Issue date Jan 31, 1995
    • Nippon Petrochemicals Company, Limited
    • Yoshihisa Yamaguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for feeding catalyst to fluidized bed for vapor phase polym...
    • Patent number 5,310,833
    • Issue date May 10, 1994
    • Nippon Petrochemicals Company, Ltd.
    • Kunimichi Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyethylene composition
    • Patent number 5,260,384
    • Issue date Nov 9, 1993
    • Nippon Petrochemicals Company, Ltd.
    • Toshifumi Morimoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for feeding catalyst to fluidized bed for vapor phase polym...
    • Patent number 5,202,396
    • Issue date Apr 13, 1993
    • Nippon Petrochemicals Company, Limited
    • Kunimichi Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyethylene composition
    • Patent number 5,189,106
    • Issue date Feb 23, 1993
    • Nippon Petrochemicals Company, Limited
    • Toshifumi Morimoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalysts for polymerization of olefins
    • Patent number 4,849,390
    • Issue date Jul 18, 1989
    • Nippon Oil Co., Ltd.
    • Akira Sano
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for vapor phase polymerization of olefins
    • Patent number 4,525,548
    • Issue date Jun 25, 1985
    • Nippon Oil Company Limited
    • Kunimichi Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Vapor phase polymerization apparatus for olefins
    • Patent number 4,438,073
    • Issue date Mar 20, 1984
    • Nippon Oil Company, Ltd.
    • Kunimichi Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Continuous process for the preparation of polyolefins having widely...
    • Patent number 4,414,369
    • Issue date Nov 8, 1983
    • Nippon Oil Company, Limited
    • Nobuyuki Kuroda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Vapor phase polymerization apparatus for olefins
    • Patent number 4,372,919
    • Issue date Feb 8, 1983
    • Nippon Oil Company, Limited
    • Kunimichi Kubo
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...