Patents by Inventor J. Claude Portner

J. Claude Portner 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).

  • Electroless plating catalyst
    Patent number: 5288313
    Abstract: The invention discloses a new electroless plating catalyst and a process of using the same for selective plating. The catalyst and process are especially adapted for formation of EMI shielding for electronic components. The electroless plating catalyst comprises catalytic particulates dispersed in a liquid film forming composition.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: February 22, 1994
    Assignee: Shipley Company Inc.
    Inventor: J. Claude Portner