Patents Examined by Eibert L. Roberts
  • Polyhalogeno-steroids
    Patent number: 4619921
    Abstract: Novel 6.alpha.,9.alpha.,21-trihalogeno-11.beta.-hydroxy-16.alpha. or 16.beta.-methyl-17.alpha.-propionyloxy-pregn-4-ene-3,20-dione compounds of the formula ##STR1## in which X represents chlorine or flourine, R represents the group --CH.sub.2 CH--, --CH.dbd.CH-- or --CH.dbd.CCl--, the chlorine atom being in the positon 2 of the steroid numbering, and in which the 16-methyl radical is .alpha.- or .beta.-oriented, are useful pharmaceuticals, especially anti-inflammatory agents for topical administration.
    Type: Grant
    Filed: April 20, 1984
    Date of Patent: October 28, 1986
    Assignee: Ciba-Geigy Corporation
    Inventors: Jaroslav Kalvoda, Georg Anner