Patents by Inventor Ulrike Kruger

Ulrike Kruger 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).

  • Chemically passivated object made of magnesium or alloys thereof
    Patent number: 6794046
    Abstract: An article made of magnesium or its alloys, some or all of whose surface has a conversion coating, the conversion coating comprising MgO, Mn2O3 and MnO2 plus at least one oxide from the group consisting of vanadium, molybdenum and tungsten; and also a process for producing such an article, and its use.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: September 21, 2004
    Assignee: AHC Oberflachenechnik GmbH & Co. OHG
    Inventors: Peter Kurze, Ulrike Kruger, Marco Kohler, Dora B{overscore (a)}nerjee