Patents by Inventor Shelly S. Niznik

Shelly S. Niznik 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).

  • Suspensions of sheet silicate materials and products made therefrom
    Patent number: 4800041
    Abstract: An aqueous suspension of sheet silicate and the method of making the same are disclosed. The suspension is produced by treating crystals of 2:1 layer sheet silicates with a solution containing a water soluble salt of a cation of a secondary, tertiary or quaternary alkyl ammonium compound and thereafter dispersing the vermiculite crystals.
    Type: Grant
    Filed: October 3, 1986
    Date of Patent: January 24, 1989
    Assignee: Armstrong World Industries, Inc.
    Inventors: Thomas M. Tymon, Shelly S. Niznik
  • 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