Patents by Inventor Oliver B. Patrick

Oliver B. Patrick 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).

  • Structural material
    Patent number: 4022626
    Abstract: A composite structural material is prepared by admixing (1) sulfur plasticized by reaction with dicyclopentadiene, or dicyclopentadiene and styrene, (2) asbestos fibers wetted with dipentene and (3) silica flour, maintaining the mixture at about 120 to 150.degree. C for about 0.5 to 5 minutes and casting the resulting product under a pressure of about 500 to 1500 psi. Additional strength is obtained by curing at elevated temperature prior to casting.
    Type: Grant
    Filed: August 22, 1975
    Date of Patent: May 10, 1977
    Assignee: The United States of America as represented by the Secretary of the Interior
    Inventors: William C. McBee, Thomas A. Sullivan, Oliver B. Patrick