Patents by Inventor Yoshikatu Amimoto

Yoshikatu Amimoto 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 production of spherical carrier particles for olefin polymerization catalysts
    Patent number: 4315874
    Abstract: This invention provides a process for producing spherical carrier particles for olefin polymerization catalyst, which comprises(i) forming a suspension of molten droplets of an adduct of a halogen-containing magnesium compound and an active hydrogen-containing organic compound in an organic liquid medium in the presence of at least one oil soluble surface-active agent as an auxiliary component, and(ii) quenching the resulting suspension to solidify the adduct particles.
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: February 16, 1982
    Assignee: Mitsui Petrochemical Industries Ltd.
    Inventors: Yoshihisa Ushida, Yoshikatu Amimoto, Akinori Toyota, Norio Kashiwa