Patents by Inventor Karl Ofele

Karl Ofele 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).

  • Metal complexes with heterocycles carbenes
    Patent number: 5728839
    Abstract: A complex of the formula?L.sub.a M.sub.b X.sub.c !.sup.n (A).sub.n Ias described in the application useful as homogenous catalysts.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: March 17, 1998
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang A. Herrmann, Martina Elison, Jakob Fischer, Christian Kocher, Karl Ofele