Patents by Inventor Muneto Yokota

Muneto Yokota 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).

  • Process for the polymerization or copolymerization of ethylene
    Patent number: 4464518
    Abstract: Polymerization of ethylene or copolymerization of ethylene with other .alpha.-olefin is carried out in the presence of a specific catalyst system. The catalyst system is obtained by preparing a reaction product (A) of an organic aluminum compound (I) represented by the formula AlR.sub.n.sup.1 X.sub.3-n where R.sup.
    Type: Grant
    Filed: June 4, 1982
    Date of Patent: August 7, 1984
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Takeshi Iwabuchi, Hiroshi Morinaga, Masao Kawahara, Sakae Kamiyama, Terumi Sato, Muneto Yokota