Patents by Inventor Stephen Magda

Stephen Magda 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).

  • Patent number: 4924004
    Abstract: New 1-phenyl-2-aminocarbonylindole compounds are described which have the general formula I ##STR1## where R.sub.1 is a hydrogen atom, or a lower alkyl, alkenyl, cycloalkyl or cycloalkylalkyl radical, R.sub.2 is a hydrogen atom or a lower alkyl radical, R.sub.3 is a hydrogen or halogen atom, or a lower alkyl, hydroxyl or lower alkoxy radical, R.sub.4 is a hydrogen or halogen atom, or a lower alkyl, hydroxyl or lower alkoxy radical, or, if R.sub.3 is a hydrogen atom, R.sub.4 may be a nitro or trifluoromethyl radical, or R.sub.3 and R.sub.4 together denote a methylenedioxy or ethylenedioxy radical, R.sub.5 has the meanings given for R.sub.3, R.sub.6 has the meanings given for R.sub.4, R.sub.7 is a hydrogen atom or, if R.sub.5 and R.sub.6 are lower alkoxy radicals, R.sub.7 may also be a lower alkoxy radical, R.sub.8 and R.sub.9 are each a hydrogen atom or a lower alkyl radical or, together with the nitrogen atom, form a heterocyclic group, and Z is a alkylene chain which is optionally substituted by hydroxyl.
    Type: Grant
    Filed: October 28, 1988
    Date of Patent: May 8, 1990
    Assignee: Kali-Chemie Pharma GmbH
    Inventors: Heinrich-Wilhelm Ohlendorf, Wilhelm Kaupmann, Ulrich Kuehl, Gerd Buschmann, Stephen Magda