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Hisaya Sakurai

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Patents Grantslast 30 patents

  • Information Patent Grant

    Crystalline aromatic polyketone and process for producing the same
    • Patent number 4,772,679
    • Issue date Sep 20, 1988
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Isaburo Fukawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization of olefins
    • Patent number 4,526,941
    • Issue date Jul 2, 1985
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization of olefins
    • Patent number 4,471,066
    • Issue date Sep 11, 1984
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerization of olefins and polymerization process e...
    • Patent number 4,431,568
    • Issue date Feb 14, 1984
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Masayoshi Miya
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermoplastic resinous composition
    • Patent number 4,423,185
    • Issue date Dec 27, 1983
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Koichi Matsumoto
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Laminate of thermoplastic resinous composition
    • Patent number 4,410,595
    • Issue date Oct 18, 1983
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Koichi Matsumoto
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Process for producing polyacetal copolymers
    • Patent number 4,399,272
    • Issue date Aug 16, 1983
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Olefin polymerization catalyst and a process for producing polyolef...
    • Patent number 4,387,045
    • Issue date Jun 7, 1983
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for producing polyolefins
    • Patent number 4,381,252
    • Issue date Apr 26, 1983
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preparing polyoxymethylenes
    • Patent number 4,380,620
    • Issue date Apr 19, 1983
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Kazuhiko Matsuzaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyacetal and process of producing same
    • Patent number 4,377,667
    • Issue date Mar 22, 1983
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Olefin polymerization catalyst and olefin polymerization method usi...
    • Patent number 4,376,720
    • Issue date Mar 15, 1983
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Hydrocarbon-soluble diorganomagnesium compounds, hydrocarbon soluti...
    • Patent number 4,342,708
    • Issue date Aug 3, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Blend of three ethylene polymers
    • Patent number 4,336,352
    • Issue date Jun 22, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for polymerizing an .alpha.-olefin
    • Patent number 4,335,229
    • Issue date Jun 15, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for preventing color migration in colored moldings of polyo...
    • Patent number 4,331,439
    • Issue date May 25, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Minoru Hamada
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Process for polymerizing .alpha.-olefins
    • Patent number 4,330,647
    • Issue date May 18, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization of an .alpha.-olefin
    • Patent number 4,330,646
    • Issue date May 18, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerization of olefins
    • Patent number 4,330,650
    • Issue date May 18, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymerization of .alpha.-olefins
    • Patent number 4,330,651
    • Issue date May 18, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerization of olefins
    • Patent number 4,312,783
    • Issue date Jan 26, 1982
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for preparing polyethylene
    • Patent number 4,264,472
    • Issue date Apr 28, 1981
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Tadashi Ikegami
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Catalyst for polymerization of olefins
    • Patent number 4,255,280
    • Issue date Mar 10, 1981
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyethylene blend composition
    • Patent number 4,230,831
    • Issue date Oct 28, 1980
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Inorganic filler-incorporated ethylene polymer film
    • Patent number 4,219,453
    • Issue date Aug 26, 1980
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for producing polyolefins
    • Patent number 4,159,963
    • Issue date Jul 3, 1979
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst useful for polymerizing olefins
    • Patent number 4,159,965
    • Issue date Jul 3, 1979
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Catalyst for polymerizing olefins and polymerization method of olef...
    • Patent number 4,159,256
    • Issue date Jun 26, 1979
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Hydrocarbon-soluble organoaluminum-magnesium complex
    • Patent number 4,146,549
    • Issue date Mar 27, 1979
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Itsuho Aishima
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for producing an organomagnesium complex
    • Patent number 4,120,883
    • Issue date Oct 17, 1978
    • Asahi Kasei Kogyo Kabushiki Kaisha
    • Hisaya Sakurai
    • C07 - ORGANIC CHEMISTRY