Patents by Inventor Volker Kunz

Volker Kunz 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).

  • Agent for sealing metallic ground coats, especially ground coats consisting of zinc or zinc alloys
    Patent number: 6478886
    Abstract: Agent for sealing metallic substrates, in particular zinc or zinc alloy substrates, characterized in that it consists of an aqueous dispersion of a) at least one silane derivative and b) a colloidal silica and/or colloidal silicate. This agent may be used for a direct coating of metallic substrates without chromatation.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: November 12, 2002
    Assignee: Kunz GmbH
    Inventors: Volker Kunz, Hermann Donsbach, Burkhard Flamme