Patents by Inventor Mitsunori Washitake

Mitsunori Washitake 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).

  • Novel hydrocortisone derivative
    Patent number: 4290962
    Abstract: 17.alpha.-butyryloxy-11.beta.-hydroxy-21-propionyloxy-4-pregnen-3,20-dione, i.e., hydrocortisone 17-butyrate 21-propionate of the present invention is prepared by acylating hydrocortisone 17-butyrate with propionic acid anhydride or halide. The compound of the present invention has excellent anti-inflammatory effect, percutaneous absorption and less side effect.
    Type: Grant
    Filed: March 26, 1979
    Date of Patent: September 22, 1981
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Yasuhide Tachi, Kazuhiko Michishita, Jozi Nakagami, Jiro Sawada, Mitsunori Washitake, Yoshiaki Kamano