Patents by Inventor Perry A. Ractliff

Perry A. Ractliff 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).

  • Method for cleaning contact lenses
    Patent number: 4978535
    Abstract: The use of stabilized chlorine dioxide or chlorine dioxide in aqueous solution as a composition to reduce or prevent plaque formation and treatment of oral diseases ecologically plaque dependent, such as gingivitis and periodontitis, is disclosed. Preferred concentrations are in the range of 0.005% to 2.0% and the chlorine dioxide may be in the form of a rinse, a wash, a soak or a dentifrice.
    Type: Grant
    Filed: October 4, 1988
    Date of Patent: December 18, 1990
    Inventor: Perry A. Ractliff
  • Method and composition for prevention of plaque formation and plaque dependent diseases
    Patent number: 4837009
    Abstract: The use of stabilized chlorine dioxide or chlorine dioxide in aqueous solution as a composition to reduce or prevent plaque formation and treatment of oral diseases ecologically plaque dependent, such as gingivitis and periodontitis, is disclosed. Preferred concentrations are in the range of 0.005% to 2.0% and the chlorine dioxide may be in the form of a rinse, a wash, a soak or a dentifrice.
    Type: Grant
    Filed: March 10, 1987
    Date of Patent: June 6, 1989
    Inventor: Perry A. Ractliff