Patents by Inventor Bruno Dreckmann

Bruno Dreckmann 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: 4970077
    Abstract: The present invention provides compounds of the general formula: ##STR1## wherein E is an alkylene or alkenylene radical containing 2 carbon atoms, R.sup.1 is a cycloaliphatic hydrocarbon radical containing 5 to 12 carbon atoms, which is optionally substituted by up to 4 lower alkyl radicals, as well as halogen atoms, and can optionally be mono- or polyunsaturated, R.sup.2 and R.sup.3, which can be the same or different, are further cycloaliphatic hydrocarbon radicals containing 3 to 7 carbon atoms, hydrogen or halogen atoms, trifluoromethyl radicals or alkyl or alkoxy radicals containing up to 7 carbon atoms which can optionally also be substituted with methyl radicals, X is hydroxyl, Y is a residue of an alcohol or a residue of an amine or the group OZ, Z is hydrogen, an alkali metal or ammonium ion or X and Y taken together are --O--. Thus, these compounds are lactones or hydroxy acids of the formulae: ##STR2## wherein E, R.sup.1, R.sup.2 and R.sup.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: November 13, 1990
    Assignee: Boehringer Mannheim GmbH
    Inventors: Bruno Dreckmann, Reinhard Heck, Johannes Pill
  • Patent number: 4908385
    Abstract: The present invention provides pharmaceutical compositions containing at least one .alpha.-halogenated dicarboxylic acid of the general formula: ##STR1## wherein Hal is a chlorine, bromine or fluorine atom, R is a hydrogen atom or Hal and m is a number of from 4 to 16, and/or at least one pharmacologically acceptable salt, ester or amide thereof.The present invention also provides new compounds of general formula (I) but in which m is a number of from 8 to 16 and processes for the preparation thereof.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: March 13, 1990
    Assignee: Epis S.A.
    Inventors: Jacob Bar-Tana, Yoelit Migron, Jochanan Blum, Bruno Dreckmann, Johannes Pill