Patents Assigned to Schering, A.G. Patentabteilung
  • Spirolactones
    Patent number: 4129564
    Abstract: New spirolactones of the formula ##STR1## R is a lower alkyl of up to 5 carbon atoms, and ##STR2##
    Type: Grant
    Filed: November 11, 1977
    Date of Patent: December 12, 1978
    Assignee: Schering, A.G. Patentabteilung
    Inventors: Rudolf Wiechert, Dieter Bittler, Ulrich Kerb, Jorge Casals-Stenzel, Wolfgang Losert