Patents by Inventor Perry A. Ratcliff

Perry A. Ratcliff 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 preventing periodontitis
    Patent number: 4886657
    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 0.2% and the chlorine dioxide may be in the form of a rinse, a wash, a soak or a dentrifice.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: December 12, 1989
    Inventor: Perry A. Ratcliff
  • Method for debriding
    Patent number: 4855135
    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 0.2% and the chlorine dioxide may be in the form of a rinse, a wash, a soak or a dentifrice.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: August 8, 1989
    Inventor: Perry A. Ratcliff
  • Method and composition for prevention and treatment of oral disease due to S. Sanguis
    Patent number: 4851213
    Abstract: The use of stabilized chlorine dioxide as a composition for the treatment and prevention of oral disease and the reduction of oral malodor is disclosed. Chlorine dioxide is an effective anti-plaque agent, anti-gingivitis and anti-periodontitis agent, and also effective to destroy malodorous sulfur compounds. Preferred concentrations are in the range of 0.005% to 2% and the chlorine dioxide may be in the form of a wash or rinse in solution, a soak or as a toothpaste.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: July 25, 1989
    Inventor: Perry A. Ratcliff
  • Method and composition for prevention of plaque formation and plaque dependent diseases
    Patent number: 4818519
    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 0.2% and the chlorine dioxide may be in the form of a rinse, a wash, a soak or a dentifrice.
    Type: Grant
    Filed: August 24, 1987
    Date of Patent: April 4, 1989
    Inventor: Perry A. Ratcliff
  • Method and composition for prevention and treatment of oral disease
    Patent number: 4793989
    Abstract: The use of stabilized chlorine dioxide as a composition for the treatment and prevention of oral disease and the reduction of oral malodor is disclosed. Chlorine dioxide is an effective anti-plaque agent, anti-gingivitis and anti-periodontitis agent, and also effective to destroy malodorous sulfur compounds. Preferred concentrations are in the range of 0.005% to 2% and the chlorine dioxide may be in the form of a wash or rinse in solution, a soak or as a toothpaste.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: December 27, 1988
    Inventor: Perry A. Ratcliff
  • Method and composition for prevention and treatment of oral disease
    Patent number: 4792442
    Abstract: The use of stabilized chlorine dioxide as a composition for the treatment and prevention of oral disease and the reduction of oral malodor is disclosed. Chlorine dioxide is an effective anti-plaque agent, anti-gingivitis and anti-periodontitis agent, and also effective to destroy malodorous sulfur compounds. Preferred concentrations are in the range of 0.005% to 2% and the chlorine dioxide may be in the form of a wash or rinse in solution, a soak or as a toothpaste.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: December 20, 1988
    Inventor: Perry A. Ratcliff
  • Method and composition for prevention and treatment of oral disease
    Patent number: 4788053
    Abstract: The use of stabilized chlorine dioxide as a composition for the treatment and prevention of oral disease and the reduction of oral malodor is disclosed. Chlorine dioxide is an effective anti-plaque agent, anti-gingivitis and anti-periodontitis agent, and also effective to destroy malodorous sulfur compounds. Preferred concentrations are in the range of 0.005% to 2% and the chlorine dioxide may be in the form of a wash or rinse in solution, a soak or as a toothpaste.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: November 29, 1988
    Inventor: Perry A. Ratcliff
  • Method and composition for prevention and treatment of oral disease
    Patent number: 4786492
    Abstract: The use of stabilized chlorine dioxide as a composition for the treatment and prevention of oral disease and the reduction of oral malodor is disclosed. Chlorine dioxide is an effective anti-plaque agent, anti-gingivitis and anti-periodontitis agent, and also effective to destroy malodorous sulfur compounds. Preferred concentrations are in the range of 0.005% to 2% and the chlorine dioxide may be in the form of a wash or rinse in solution, a soak or as a toothpaste.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: November 22, 1988
    Inventor: Perry A. Ratcliff
  • Method and composition for prevention and treatment of oral disease
    Patent number: 4696811
    Abstract: The use of stabilized chlorine dioxide as a composition for the treatment and prevention of oral disese and the reduction of oral malodor is disclosed. Chlorine dioxide is an effective anti-plaque agent, anti-gingivitis and anti-periodontitis agent, and also effective to destroy malodorous sulfur compounds. Preferred concentrations are in the range of 0.005% to 2% and the chlorine dioxide may be in the form of a wash or rinse in solution, a soak or as a toothpaste.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: September 29, 1987
    Inventor: Perry A. Ratcliff
  • Method and composition for prevention and treatment of oral disease
    Patent number: 4689215
    Abstract: The use of stabilized chlorine dioxide as a composition for the treatment and prevention of oral disease and the reduction of oral malodor is disclosed. Chlorine dioxide is an effective anti-plaque agent, anti-gingivitis and anti-periodontitis agent, and also effective to destroy malodorous sulfur compounds. Preferred concentrations are in the range of 0.005% to 2% and the chlorine dioxide may be in the form of a wash or rinse in solution, a soak or as a toothpaste.
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: August 25, 1987
    Inventor: Perry A. Ratcliff