Patents by Inventor Mary B. Chmielewski

Mary B. Chmielewski 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).

  • Aqueous tooth whitening dentifrice
    Patent number: 5171564
    Abstract: An aqueous abrasive oral composition which exhibits heightened and rapid whitening of teeth is obtained when using a combination of a dicalcium phosphate compound, a metal ion free peroxide, a chelating agent and a thickening agent.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: December 15, 1992
    Assignee: Colgate-Palmolive
    Inventors: Salim A. Nathoo, Mary B. Chmielewski, Sahar Fakhry-Smith