Patents by Inventor Joanna P. Hinton

Joanna P. Hinton 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: 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