Patents by Inventor Gunter Leverkusen

Gunter Leverkusen 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).

  • Method for the decarboxylation of dicarboxylic acids
    Publication number: 20060149083
    Abstract: The invention relates to a method for the thermal decarboxylation of dicarboxylic acids, in particular to 3,4-ethylene dioxythiophene-2,5-dicarboxylic acid as an educt. According to said method the educt is used in solid form and/or the reaction is carried out in the presence of a plurality of fluidised bed bodies. No solvents are used in the reaction and the decarboxylation product that is formed during the reaction is carried away from the reaction zone in gaseous form.
    Type: Application
    Filed: December 4, 2003
    Publication date: July 6, 2006
    Inventors: Sigurd Buchholz, Alexander Klausener, Reinhard Langer, Leslaw Mleczko, Gunter Leverkusen