Patents by Inventor Christopher B. Guay

Christopher B. Guay 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).

  • Patent number: 5281411
    Abstract: Oral compositions possessing antiplaque and antigingivitis properties containing stannous gluconate are described herein.
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: January 25, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Satyanarayana Majeti, Christopher B. Guay, Mark M. Crisanti
  • Patent number: 5192532
    Abstract: Disclosed are oral compositions useful for reducing plaque and gingival or periodontal diseases comprising monoperoxyphthalic acids and having a pH of from about 3.0 to about 5.0.
    Type: Grant
    Filed: August 5, 1991
    Date of Patent: March 9, 1993
    Assignee: The Procter & Gamble Company
    Inventors: Christopher B. Guay, Joanna P. Hinton
  • Patent number: 5004597
    Abstract: An oral hygiene compositions possessing antiplaque and antigingivitis properties containing stannous fluoride stabilized with stannous gluconate in an orally acceptable carrier at pH of from about 3.0% about 4.79 and said composition is substantially free of a calcium ion source.
    Type: Grant
    Filed: September 13, 1989
    Date of Patent: April 2, 1991
    Assignee: The Procter & Gamble Company
    Inventors: Satyanarayana Majeti, Christopher B. Guay, Mark M. Crisanti