Patents by Inventor Vincent Drago

Vincent Drago 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).

  • Abrasive tooth whitening dentifrice of improved stability
    Patent number: 5256402
    Abstract: Abrasive dentifrice compositions containing an oxygen liberating whitening compound which is stable with respect to oxygen level and exhibits heightened and rapid whitening of teeth and stain removal which comprises a combination of a dicalcium phosphate compound and a metal ion free peroxide compound.
    Type: Grant
    Filed: September 13, 1991
    Date of Patent: October 26, 1993
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Vincent Drago