Patents by Inventor Volker Koppe

Volker Koppe 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).

  • Indolealkylamines and processes for their preparation
    Patent number: 4251538
    Abstract: Indolealkylamines of the formula ##STR1## wherein Ind is 1-R.sup.4 -2-R.sup.5 -indol-3-yl or the corresponding group in which the benzene ring is monosubstituted to trisubstituted by alkyl, O-alkyl, S-alkyl, OH, F, Cl, Br, CF.sub.3 or CN; A is --(CH.sub.2).sub.4 --, --(CH.sub.2).sub.3 --CO-- or --CO--(CH.sub.2).sub.2 --CO--; R.sup.1 is H or methyl; R.sup.2 is H or together with R.sup.3 is a C--C bond; R.sup.3 is H or together with R.sup.2 is a C--C bond; R.sup.4 and R.sup.5 are each H, alkyl, or phenyl; and Ar is phenyl or phenyl monosubstituted or disubstituted by alkyl, F, Cl, Br, I or CF.sub.3 ; wherein alkyl in each case is of 1-4 carbon atoms;and the physiologically acceptable acid addition salts thereof possess valuable pharmacological properties.
    Type: Grant
    Filed: June 22, 1979
    Date of Patent: February 17, 1981
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Hans-Heinrich Hausberg, Volker Koppe, Eike Poetsch, Otto Saiko, Christoph Seyfried