Patents by Inventor Masahito Yoshimura

Masahito Yoshimura 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).

  • Isononyl acrylate monomer composition
    Patent number: 4376212
    Abstract: An isononyl acrylate monomer composition of acrylates of C.sub.9 alcohols obtained by a hydroformylation and a hydrogenation of C.sub.8 olefins obtained by a dimerization of a butane-butene fraction containing n-butene separated from butadiene which comprise 3 to 20 wt. % of olefins having one isobutane skeleton and less than 3 wt. % of olefins having quaternary carbon and more than 90 wt. % of a total of n-octenes, monomethylheptenes and dimethylhexenes and 0.8 to 2.0 of a ratio of a total of n-octenes and monomethylheptenes to dimethylhexenes.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: March 8, 1983
    Assignee: Nissan Chemical Industries Ltd.
    Inventors: Eiji Ohyama, Hiroo Nagai, Masahito Yoshimura
  • Process for dimerizing or codimerizing lower monoolefin
    Patent number: 4283586
    Abstract: An aliphatic, cycloaliphatic or aromatic polyol is incorporated in a catalyst of an organoaluminum halide and a nickel compound. The catalyst is used for a dimerization or codimerization of a lower monoolefin to improve a reaction velocity and a stability in the reaction.
    Type: Grant
    Filed: April 4, 1980
    Date of Patent: August 11, 1981
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Masahito Yoshimura, Satoshi Hoshiyama, Hideki Takamatsu, Hiroshi Kobayashi, Shinichiro Takigawa