Patents by Inventor Michito Sato

Michito Sato 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).

  • Method for preparation of olefin oligomer
    Patent number: 3997622
    Abstract: A method of preparing an olefin oligomer by polymerizing an olefin having more than 6 carbon atoms, wherein said olefin is to be polymerized in the presence of a catalyst consisting of (a) polyhydric alcohol derivatives obtained by substituting hydrogen atoms of all the whole hydroxyl groups of polyhydric alcohol by either acyl group exclusively or acyl group and alkyl groups, both said acyl group and alkyl group having 1 - 20 carbon atoms, (b) aluminum halide in an amount of 0.7 - 1.0 mole per each ester bond and ether bond possessed by said polyhydric alcohol derivative and (c) metallic aluminum powder.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: December 14, 1976
    Assignee: Lion Fat & Oil Co., Ltd.
    Inventors: Hiroshi Isa, Toshiyuki Ukigai, Anri Tominaga, Michito Sato