Patents by Inventor Gordon E. Sharpe

Gordon E. Sharpe 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).

  • Treatment of carbon fibers
    Patent number: 3989802
    Abstract: Carbon fibers are surface oxidized by contacting the fiber with an aqueous solution comprising 5 - 20 weight percent sodium dichromate and 15 - 45 percent sulfuric acid for from one to sixty minutes at about the boiling point of the mixture. These fibers are useful in making resin-based composites by improving the adhesion between the fibers and the resin.
    Type: Grant
    Filed: March 21, 1973
    Date of Patent: November 2, 1976
    Assignee: Great Lakes Carbon Corporation
    Inventors: Louis A. Joo, Roger Prescott, Gordon E. Sharpe, Frank E. Snodgrass