Patents by Inventor Gary F. Graf

Gary F. Graf 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).

  • Calculus-inhibiting method and compositions
    Patent number: 4289753
    Abstract: Oral compositions such as mouth washes, toothpastes, other oral hygiene products, foods, beverages, chewing gums and the like containing certain bis(carboxyalkoxy)-butanedioic acid compounds inhibit dental calculus formation.
    Type: Grant
    Filed: April 4, 1977
    Date of Patent: September 15, 1981
    Assignee: Monsanto Company
    Inventors: David R. Dyroff, Gary F. Graf, Keun Y. Kim, Walton F. Suchanek, Jr.