Patents Represented by Attorney Chalin A. Office of Research & Development Smith

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  • One-step method and preparation for reducing dentinal hypersensitivity
    Patent number: 5906809
    Abstract: A highly acidic oxalate ion-containing preparation, which includes a neuroactive substance, for reducing tooth hypersensitivity, and a method for using same are disclosed.
    Type: Grant
    Filed: October 19, 1995
    Date of Patent: May 25, 1999
    Assignee: University of Maryland, Baltimore
    Inventors: Gary David Hack, Van Purdy Thompson, Joseph Anthony von Fraunhofer
  • Method and kit for treating tooth hypersensitivity
    Patent number: 5874066
    Abstract: A two-step method for treating tooth hypersensitivity so as to prevent, reduce or eliminate the same, and a kit for use in the same, are disclosed.
    Type: Grant
    Filed: July 28, 1997
    Date of Patent: February 23, 1999
    Assignee: University of Maryland, Baltimore
    Inventors: Gary David Hack, Van Purdy Thompson, Joseph Anthony von Fraunhofer