Patents by Inventor Thomas Beuttler

Thomas Beuttler 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: 4935414
    Abstract: Substituted indolylpropanols of the formula I ##STR1## in which R.sup.1 denotes a cyano, carboxamido, alkoxycarbonyl, hydroxyl or acetyl group,Y stands for the group A ##STR2## wherein n is the number 2 or 3, or the group B, ##STR3## R.sup.2 stands for R.sup.2 ' where Y denotes the group A and for R.sup.2 " when Y denotes the group B, whereR.sup.2 ' denotes pyridinyl, thienyl or substituted phenyl which is monosubstituted or disubstituted by difluoromethoxy, difluoromethylthio, trifluoromethoxy, trifluoromethylthio, trifluoroethoxy, alkoxyalkoxy, cycloalkylalkoxy, alkoxyalkyl, alkylthioalkoxy, alkylsulphinylalkoxy, alkylsulphonylalkoxy, alkoxyalkylthio, alkoxyalkylsulphinyl, alkoxyalkylsulphonyl, alkylthioalkyl, alkylsulphinylalkyl, alkylsulphonylalkyl and dialkylaminoalkoxy, andR.sup.
    Type: Grant
    Filed: June 17, 1988
    Date of Patent: June 19, 1990
    Assignee: Beiersdorf AG
    Inventors: Wolfgang Stenzel, Ben Armah, Thomas Beuttler
  • Patent number: 4801590
    Abstract: Pyrido[1,8]naphthyridinones of the general formula I ##STR1## in which R.sup.1 denotes hydrogen, a straight-chain or branched alkyl group having 1 to 6 carbon atoms, the phenyl group or a substituted phenyl group, a cycloalkyl group, a carboxyl group, an alkoxycarbonyl group, a carboxamide group or a cyano group,R.sup.2 denotes hydrogen or a straight-chain or branched alkyl group having 1 to 4 carbon atoms,R.sup.3 denotes hydrogen, a straight-chain or branched alkyl group having 1 to 4 carbon atoms, a carboxyl group, an alkoxycarbonyl group, a carboxamide group or a cyano group,R.sup.
    Type: Grant
    Filed: June 23, 1987
    Date of Patent: January 31, 1989
    Assignee: Beiersdorf AG
    Inventors: Erich Cohnen, Thomas Beuttler, Eva Hofferber, Wolfgang Stenzel