Patents by Inventor Natsuki Kanoh

Natsuki Kanoh 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).

  • Polymerization of olefin
    Patent number: 4173698
    Abstract: A solid catalytic component for polymerization of an olefin is prepared by reacting a vanadium trichloride ether complex with aluminum halide.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: November 6, 1979
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Natsuki Kanoh, Toru Tanaka, Atsushi Murakami
  • Process for preparing polyolefin
    Patent number: 4151337
    Abstract: Polyolefin is prepared by polymerizing an olefin by using a catalyst system combining an auxiliary catalytic component of an organoaluminum compound and a solid catalytic component obtained by reacting a mixture of a vanadium trichloride ether complex and a titanium trichloride ether complex with an aluminum halide and/or a boron halide.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: April 24, 1979
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Natsuki Kanoh, Toru Tanaka, Nobuo Enokido
  • Catalyst and process for polymerization of olefin
    Patent number: 3989881
    Abstract: A solid catalytic complex for the polymerization of an olefin has the formula:[MgM.sub.1-n ]X.sub.m . xYwherein M represents a transition metal selected from the group consisting of titanium and vanadium; X represents a halogen atom; Y represents an aliphatic ether or a cyclic ether; n is 0.01 - 0.99; 2<m<4; and 1<x<3.
    Type: Grant
    Filed: April 4, 1975
    Date of Patent: November 2, 1976
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Kazuo Yamaguchi, Natsuki Kanoh, Toru Tanaka, Nobuo Enokido, Atsushi Murakami, Seiji Yoshida