Patents by Inventor Jürgen Krauter

Jürgen Krauter 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 carrying out-CC-coupling reactions
    Patent number: 7102045
    Abstract: The invention relates to a method for carrying out CC-coupling reactions, in particular a Heck and Suzuki reaction, in the presence of supported palladium as the catalyst and a base in a monophase or multiphase solvent mixture. According to said method, palladium detaches itself from the support in a characteristic manner, is redeposited after the reaction and the quantity of palladium not deposited after the reaction is significantly lower than 5000 ppm, in relation to the palladium used.
    Type: Grant
    Filed: July 18, 2001
    Date of Patent: September 5, 2006
    Assignee: Degussa AG
    Inventors: Jürgen Krauter, Jörg Pietsch, Peter Panster, Klaus Köhler, Roland Heidenreich
  • Supported hydrogenating catalyst in powder form
    Patent number: 6818720
    Abstract: Supported, hydrogenating catalyst in powder form containing, as a catalytically active component, a primary precious metal component, a secondary precious metal component and one or more non-precious metal components. It is used for the hydrogenation of nitroaromatics, in particular nitrobenzene and DNT.
    Type: Grant
    Filed: November 6, 2002
    Date of Patent: November 16, 2004
    Assignee: Degussa AG
    Inventors: Jürgen Krauter, Michael Gross, Uwe Packruhn, Markus Göttlinger