Patents by Inventor Catherine M. Randolph

Catherine M. Randolph 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: 5139642
    Abstract: Described herein is an improved process for electroplating a conductive metal layer to the surface of a nonconductive material comprising pretreating the material with a carbon black dispersion followed by a graphite dispersion before the electroplating step.
    Type: Grant
    Filed: August 19, 1991
    Date of Patent: August 18, 1992
    Assignee: Olin Corporation
    Inventors: Catherine M. Randolph, Barry F. Nelsen
  • Patent number: RE37765
    Abstract: Described herein is an improved process for electroplating a conductive metal layer to the surface of a nonconductive material comprising pretreating the material with a carbon black dispersion followed by a graphite dispersion before the electroplating step.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: June 25, 2002
    Assignee: MacDermid, Incorporated
    Inventors: Catherine M. Randolph, Barry F. Nelsen