Patents by Inventor Anthony C. Lanzalaco

Anthony C. Lanzalaco 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 compositions
    Patent number: 4902497
    Abstract: Methods for reducing calculus are disclosed utilizing oral compositions containing stannous ions complexed with certain carboxylic acids or polyhydric alcohols.
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: February 20, 1990
    Assignee: The Procter & Gamble Company
    Inventors: Mark M. Crisanti, Anthony C. Lanzalaco, Richard J. Sunberg
  • Anticalculus compositions
    Patent number: 4847070
    Abstract: Disclosed are oral compositions which are effective against calculus and contain a chelating agent which is an acrylic acid polymer or copolymer or EDTA, a strontium ion source, a fluoride ion source and a pyrophosphate ion source.
    Type: Grant
    Filed: October 8, 1987
    Date of Patent: July 11, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Joseph W. Pyrz, Anthony C. Lanzalaco, Richard J. Sunberg