Patents by Inventor Furuhashi Hiroyuki

Furuhashi Hiroyuki 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).

  • Production of catalyst component for olefin polymerization
    Patent number: 4693990
    Abstract: A titamium containing catalyst component for olefin polymerizations which comprises contacting (a) a metal oxide, (b) a dihydrocarbyl magnesium, and (c) a hydrocarbyloxy group-containing compound with one another, contacting the thus obtained contact product with (d) a halogen-containing alcohol, and finally contacting the thus obtained contact product with (e) an electron donor compound and (f) a titanium compound.
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: September 15, 1987
    Assignee: Toa Nenryo Kogyo Kabushiki Kaisha
    Inventors: Furuhashi Hiroyuki, Tadashi Yamamoto, Masafumi Imai, Hiroshi Ueno