Patents by Inventor Karen DePierro

Karen DePierro 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).

  • DENTIFRICE COMPOSITION CONTAINING SILICONE OIL BEADS
    Publication number: 20090053267
    Abstract: Dentifrice composition and method of using such dentifrice composition to ameliorate dry mouth, where the dentifrice composition includes an orally acceptable vehicle having distributed therein silicone oil beads, and wherein the dentifrice composition has a viscosity of at least about 20,000 centipoise.
    Type: Application
    Filed: August 20, 2007
    Publication date: February 26, 2009
    Inventors: Karen DePierro, Ralph Peter Santarpia, III, John Pierre Curtis, Hollandra Niles, Joann Darcy-Siegel, Bernie L. Blackwell
  • Tongue cleaning device
    Patent number: 5938673
    Abstract: A tongue cleaner or scraper, of an absorbent, flexible, loop pile which conforms to the surface of the tongue and which improves cleaning effectiveness, while providing a soft, consumer acceptable tongue feel.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: August 17, 1999
    Assignee: Colgate-Palmolive Company
    Inventors: Karen DePierro, Susan Greenfeder, Lisa Christina-Beck, John Curtis
  • Ingredient filled polytetrafluoroethylene dental floss devoid to grip enhancing coating
    Patent number: 5911228
    Abstract: The floss is comprised of one or more strands of a tensilized polytetrafluoroethylene. The polytetrafluoroethylene is tensilized by stretching with heating to increase the tensile strength and to decrease elongation. The floss is readily grippable since it has an irregular surface. The polytetrafluoroethylene is made to have an irregular surface by having a solid incorporated into the fiber structure. The solid has a diameter of from about submicron size up to about 125% of the thickness diameter of the fiber. The floss will have a coefficient of friction of more than about 0.08. There is an acceptable grippability without the need for a coating. In addition, the solid that is incorporated into the fiber can be a bioactive material for delivery of the bioactive material to the teeth and gums during flossing.
    Type: Grant
    Filed: July 10, 1996
    Date of Patent: June 15, 1999
    Assignees: Colgate-Palmolive Co., Coltec Industrial Products, Inc.
    Inventors: John Curtis, Karen DePierro, David Delgado