Patents by Inventor Yasuhide Tachi

Yasuhide Tachi 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).

  • 3-Benzoyl-2-mercaptopropionic acid derivatives
    Patent number: 4472316
    Abstract: Novel compounds having the general formula ##STR1## wherein X is hydrogen or halogen, Y is hydrogen, halogen, methoxy or alkyl having 1 to 3 carbon atoms, Z is hydrogen, alkylcarbonyl having 2 to 6 carbon atoms or benzoyl, and R is hydrogen, alkali metal or alkyl having 1 to 5 carbon atoms, are disclosed. These compounds exhibit excellent hypolipidemic activity and little or no side effect.
    Type: Grant
    Filed: February 23, 1983
    Date of Patent: September 18, 1984
    Assignee: Taisho Pharmaceutical Co., Ltd.
    Inventors: Kaoru Sota, Yasuhide Tachi, Kazuyuki Tomisawa, Kazuya Kameo, Toru Matsunaga, Jiro Sawada
  • 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