Patents by Inventor Kiyomi Adachi

Kiyomi Adachi 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).

  • Gasoline additive composition
    Patent number: 5242469
    Abstract: A gasoline additive composition comprising an ester; and at least one dispersant component chosen from the group consisting of a specified monosuccinimide, a specified bissuccinimide, an alkylamine of average molecular weight 500-5000 having a polyolefine polymer as an alkyl group and a specified benzylamine derivative of average molecular weight 500-5000. It can contain a polyoxyalkylene glycol or its derivative. It can further contain a lubricant oil fraction of viscosity in the range 3-35 mm.sup.2 /s (100.degree. C.) It prevents undesired deposits on the surfaces of intake valves of an automobile engine.
    Type: Grant
    Filed: May 30, 1991
    Date of Patent: September 7, 1993
    Assignee: Tonen Corporation
    Inventors: Tadamori Sakakibara, Yutaka Hasegawa, Fumio Oohashi, Kiyomi Adachi