Patents by Inventor Kohya Shiratori

Kohya Shiratori 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).

  • Anthranilic acid ester derivatives and antiinflammatory and analgetic external preparations containing the same
    Patent number: 4666929
    Abstract: Anthranilic acid ester derivatives having the general formula (I): ##STR1## wherein R represents as alkyl group having 1 to 3 carbon atoms substituted with a pyridyl group or a furanmethyl group. These anthranilic acid ester derivatives have a remarkable antiinflammatory and analygetic effect and a high endermic permeability and, therefore, is suitable for use as an antiinflammatory and analgetic agent.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: May 19, 1987
    Assignee: Shiseido Company Ltd.
    Inventors: Yoshihisa Sato, Tetsuji Hirao, Tsunao Magara, Kohya Shiratori