Patents by Inventor Theresia Elisabeth Ehrentraut, legal representative

Theresia Elisabeth Ehrentraut, legal representative 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).

  • Production of novel phosphane ligands and use in catalytical reactions
    Patent number: 7148176
    Abstract: The present invention is directed to phosphine ligands and the use of such ligands in catalytic complexes with transition metals. The catalysts may be used in a variety of reactions and are especially useful for refining halogenoaromatics.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: December 12, 2006
    Assignee: Degussa AG
    Inventors: Matthias Beller, Wilhelm Hubert Ehrentraut, legal representative, Theresia Elisabeth Ehrentraut, legal representative, Christa Fuhrmann, Alexander Zapf, Andreas Ehrentraut, deceased