Patents by Inventor Nathaniel B. Tucker

Nathaniel B. Tucker 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).

  • Oral composition for calculus retardation
    Patent number: RE29182
    Abstract: Oral compositions, such as toothpaste, mouthwash, and the like, containing certain polyphosphonic acids and their salts which retard dental calculus formation without damaging tooth structure.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: April 12, 1977
    Assignee: The Procter & Gamble Company
    Inventors: Homer W. McCune, Nathaniel B. Tucker