Patents by Inventor Jane G. O'Keefe, legal representative

Jane G. O'Keefe, legal representative 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).

  • Patent number: 8187439
    Abstract: Mixed-metal automotive vehicle bodies-in-white comprising ferrous metal surfaces, zinc surfaces, aluminum alloy surfaces, and magnesium alloy surfaces are cleaned and immersed in an aqueous bath comprising an adhesion promoter and an aqueous electrocoat bath (the adhesion promoter may be in the electrocoat bath. The adhesion promoter, which may be a cerium salt, is selected to react with each metal in the body surfaces to form an oxide layer that provides corrosion resistance for the surface and adherence for the deposited polymeric paint coating. The body is cathodic in the electrocoat deposition.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: May 29, 2012
    Assignees: GM Global Technology Operations LLC, Curators of The University of Missouri
    Inventors: Yar-Ming Wang, Hong-Hsiang Kuo, Matthew J. O'Keefe, Surender Maddela, Thomas J. O'Keefe, Jane G. O'Keefe, legal representative