Patents by Inventor Bruno Wieland

Bruno Wieland 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).

  • Control of ectoparasites
    Patent number: 4853223
    Abstract: The present invention relates to a method of controlling ectoparasites in domestic animals employing used treatment liquid, in which method animals are passed through animal dips/spray races in which there is an aqueous dispersion of a microencapsulated ectoparasiticide, thus achieving a uniform distribution of the active ingredient between the animals.
    Type: Grant
    Filed: September 22, 1988
    Date of Patent: August 1, 1989
    Assignee: Ciba-Geigy Corporation
    Inventors: Jean-Francois Graf, Hans W. Hasslin, Hessel J. Schuurman, Theodor Steiner, Bruno Wieland