TREA

Masao Kawahara

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  • Ichihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing an ethylenic polymer composition
    • Patent number 5,422,400
    • Issue date Jun 6, 1995
    • Maruzen Polymer Company, Ltd.
    • Sakae Kamiyama
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyethylene
    • Patent number 4,657,996
    • Issue date Apr 14, 1987
    • Nissan Chemical Industries Ltd.
    • Takeshi Iwabuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for the polymerization or copolymerization of ethylene
    • Patent number 4,464,518
    • Issue date Aug 7, 1984
    • Nissan Chemical Industries, Ltd.
    • Takeshi Iwabuchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing polyethylenes
    • Patent number 4,223,118
    • Issue date Sep 16, 1980
    • Nissan Chemical Industries, Limited
    • Kazumi Tsubaki
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...