Patents by Inventor Karolyn E. Ziemer

Karolyn E. Ziemer 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).

  • Method of making conductive metal-filled substrates without developing agents
    Patent number: 5049332
    Abstract: A conductive-metal-filled substrate is formed by intermingling oxide coated, non-conductive copper or nickel particles into a substrate having a softening point of at least 200.degree. C. followed by compression molding at a temperature of at least 200.degree. C. The filled substrates are electrically conductive and are useful for a variety of uses such as EMI shielding.
    Type: Grant
    Filed: July 3, 1990
    Date of Patent: September 17, 1991
    Assignee: Akzo NV
    Inventors: Karolyn E. Ziemer, William J. E. Parr