Patents by Inventor Charlie David Lang

Charlie David Lang 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).

  • Continuous melt process for fabricating ionically conductive articles
    Patent number: 6287722
    Abstract: The invention concerns a process for melt forming conductive compositions comprising ionomers into multi-layer electrochemical cells suitable for use in electrochemical applications such as batteries, fuel cells, electrolysis cells, ion exchange membranes, sensors, electrochemical capacitors, and modified electrodes.
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: September 11, 2001
    Assignee: E. I. du Pont Nemours and Co.
    Inventors: Kelly David Barton, Christopher Marc Doyle, William Brown Farnham, Charlie David Lang, Antonio Vidal