Patents Assigned to Takeda Chemical Company, Ltd.
  • Benzalicyclic carboxylic acid derivative
    Patent number: 4111997
    Abstract: Compounds of the formula: ##STR1## WHEREIN R.sup.1 is an aryl group which may be substituted, R.sup.2 is hydrogen or a lower alkyl group having 1 to 4 carbon atoms and n is 1 or 2, or derivatives at the carboxyl function thereof, are useful as medicines such as antipyretics, analgesics and anti-inflammatory agents.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: September 5, 1978
    Assignee: Takeda Chemical Company, Ltd.
    Inventors: Shunsaku Noguchi, Tetsuya Aono, Yoshiaki Araki, Kiyohisa Kawai