Patents by Inventor Stephen Francis McClanahan

Stephen Francis McClanahan 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).

  • TOOTH WHITENING STRIPS
    Publication number: 20120189680
    Abstract: A tooth whitening product is provided. The tooth whitening product includes film formed from a water hydratable polymer and a plasticizer. The film has a first side and a second side and a tooth whitening agent applied as coating to one side of the film.
    Type: Application
    Filed: April 4, 2012
    Publication date: July 26, 2012
    Inventors: Paul Albert Sagel, Robert Eugene Barron, Robert Woodrow Gerlach, Douglas Craig Scott, Stephen Francis McClanahan
  • Methods and products for analyzing gingival tissues
    Patent number: 8073212
    Abstract: A system and method employing image analysis may provide an objective measure of the state of gingival tissue health. A region of analysis on an image of gingival tissue may be divided into pixels. Each pixel may have an associated color made up of component R, G and B values. A user may obtain an objective measurement of oral cavity soft tissue health by determining an objective measurement of the component color values of a gingival tissue image region and performing statistical analysis on the color values.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: December 6, 2011
    Assignee: The Procter & Gamble Company
    Inventors: Robert Woodrow Gerlach, Roger David Gibb, Michael Eugene Rubush, John Michael Dunavent, Stephen Francis McClanahan
  • Tooth whitening strips
    Publication number: 20040120903
    Abstract: A tooth whitening product is provided. The tooth whitening product includes film formed from a water hydratable polymer and a plasticizer. The film has a first side and a second side and a tooth whitening agent applied as coating to one side of the film.
    Type: Application
    Filed: September 10, 2003
    Publication date: June 24, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Paul Albert Sagel, Robert Eugene Barron, Robert Woodrow Gerlach, Douglas Craig Scott, Stephen Francis McClanahan
  • Dentifrice compositions containing polyphosphate and monofluorophosphate
    Patent number: 6190644
    Abstract: Disclosed are oral compositions comprising one or more linear polyphosphates having an average chain length of about 4 or more, sodium monofluorophosphate, a buffering agent, an abrasive polishing material containing less than 23% calcium, and one or more aqueous carriers, wherein the oral composition has a total water content of from about 5% to about 20%.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: February 20, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Stephen Francis McClanahan, Donald James White, Jr., Edward Russell Cox
  • Dentifrice compositions containing polyphosphate and fluoride
    Patent number: 5939052
    Abstract: Disclosed are oral formulations contained in physically separated compartments of a dentifrice dispenser, comprising a first dentifrice composition and a second dentifrice composition. The first dentifrice composition comprises an effective amount of one or more linear polyphosphates having an average chain length of about 4 or more, an effective amount of a buffering agents, and one or more aqueous carriers, wherein the first dentifrice composition has a total water content of from about 5% to about 20%. The second dentifrice compsoition comprises a soluble fluoride ion source, an effective amount of a buffering agents, and one or more aqueous carriers.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: August 17, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Donald James White, Jr., William Michael Glandorf, Stephen Francis McClanahan, Edward Russell Cox, Paul Donald Estes