Patents by Inventor Barbara Kolbl

Barbara Kolbl 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).

  • Endoparasiticidal compositions
    Patent number: 6159932
    Abstract: The present invention relates to mixtures of avermectins, 22,23-dihydroavermectins B.sub.1 (ivermectins) and milbemycins from the class of the macrocyclic lactones in combination with cyclic depsipeptides, optionally in the presence of praziquantel or epsiprantel, for increasing the endoparasiticidal action in endoparasiticidal compositions.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: December 12, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Norbert Mencke, Achim Harder, Peter Jeschke, Barbara Kolbl