Patents by Inventor Yukio Aoda

Yukio Aoda 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).

  • Pharmaceutical vehicle
    Patent number: 4344968
    Abstract: Disclosed is a pharmaceutical vehicle comprising (a) a fatty acid glyceride having a melting point higher than 37.degree. C., (b) a water-soluble, low viscous and non-irritating organic substance having a particle size smaller than 28 mesh and a viscosity lower than 300 cps as measured with respect to a 2% aqueous solution, (c) an organic polymeric substance having a particle size smaller than 28 mesh, which is capable of being swollen on contact with water, and (d) a water-soluble surface active agent.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: August 17, 1982
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Yukio Aoda, Hiroshi Ninomiya, Kooichi Yoshida, Osamu Koyanagi