Patents by Inventor Eckard Otto

Eckard Otto 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).

  • 11 .beta.-phenyl-gonanes, their manufacture and pharmaceutical preparations containing them
    Patent number: 5089635
    Abstract: 13-alkyl-11.beta.-phenyl-gonanes of general formula I ##STR1## wherein A and B together stand for an oxygen atom, a CH.sub.2 group or a second bond between carbon atoms 9 and 10,X is an oxygen atom or the hydroxyimino grouping N.about.OH,R.sub.1 is a straight-chained or branched, saturated or unsaturated alkyl radical with up to 8 carbon atoms, which contains the grouping ##STR2## with X as described above, R.sub.2 is a methyl or ethyl radical in the .alpha. or .beta. position,R.sub.9, R.sub.10, R.sub.11 and R.sub.12 each stand for a hydrogen atom, a hydroxy, alkyl, alkoxy or acyloxy group with 1 to 4 carbon atoms respectively or a halogen atom and R.sub.3 and R.sub.4 have a variety of meanings, have antigestagenic and antiglucocorticoid effects.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: February 18, 1992
    Assignee: Schering Aktiengesellschaft
    Inventors: Gunter Neef, Sybille Beier, Walter Elger, David Henderson, Eckard Otto, Ralph Rohde