Patents by Inventor Walter Kühhibi

Walter Kühhibi 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).

  • Electro-dip coating method
    Patent number: 7067047
    Abstract: Use of water-insoluble organic nitrites and/or nitrates as additives for electrodeposition coating compositions, and process for the production of an electrodeposition lacquer with improved adhesion for subsequent coats in which one or more water-insoluble organic nitrites and/or nitrates is added to the electrodeposition coating composition and the coating film obtained by electrodeposition is stoved in an indirectly heated circulating air oven.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: June 27, 2006
    Assignee: E. I. duPont de Nemours and Company
    Inventors: Norbert David, Klausjörg Klein, Walter Kühhibi