Patents by Inventor Richard A. Brubacker

Richard A. Brubacker 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).

  • High temperature paper-like materials
    Patent number: 4746403
    Abstract: Disclosed are fire-resistant paper-like materials. These materials are prepared by embedding a fabric in a layered inorganic silicate matrix that has an average charge per structural unit that ranges from about -0.4 to -1 and which contains at least some interstitial cations that are selected from the group consisting of guanidine and multiamine derived cations.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: May 24, 1988
    Assignee: Armstrong World Industries, Inc.
    Inventors: Kenneth K. Ko, Shelly S. Niznik, Thomas M. Tymon, Richard A. Brubacker