Patents by Inventor Mamoru Tachikawa

Mamoru Tachikawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Catalyst component for polymerization of olefins
    Patent number: 4647550
    Abstract: A catalyst component for the polymerization of olefins which is prepared by contacting a contact reaction product of (a) a metal oxide, (b) an organic magnesium compound, and (c) an alkoxy group-containing compound held in contact with (d) a titanium compound.
    Type: Grant
    Filed: July 31, 1985
    Date of Patent: March 3, 1987
    Assignee: Toa Nenryo Kogyo Kabushiki Kaisha
    Inventors: Tadanao Kohora, Satoshi Ueki, Mamoru Tachikawa, Chihiro Imai, Tokuo Makishima, deceased