Patents by Inventor Gary A. Durga

Gary A. Durga 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).

  • Patent number: 6290933
    Abstract: A high cleaning low abrasion dentifrice containing a silica hydrogel having a mean particle size from about 5 to about 11 microns; an Einlehner hardness of from 1 to about 20; an oil absorption of about 40 to less about 100 cc/g, a BET surface area from 100 to 700 m2/g of silica, the particles having a morphology characterized by glass conchoidal fracture surfaces whereby, the dentifrice composition has a RDA of 110 to 200 and a PCR from about 150 to about 300.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: September 18, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: Gary A. Durga, Michael Prencipe, Peter J. Priolo, Peter Ren
  • Patent number: 5300283
    Abstract: A toothpaste or dental gel composition containing an amount of a synthetic linearly viscoelastic cross-linked polymeric thickening agent, especially a cross-linked methyl vinyl ether/maleic anhydride copolymer, effective to render the composition linearly viscoelastic, and a method of promoting oral hygiene by applying an effective amount of the composition to dental surface.
    Type: Grant
    Filed: October 22, 1992
    Date of Patent: April 5, 1994
    Assignee: Colgate Palmolive Company
    Inventors: Michael Prencipe, Gary A. Durga
  • Patent number: 5202112
    Abstract: A toothpaste or dental gel composition containing an amount of a synthetic linearly viscoelastic cross-linked polymeric thickening agent, especially a cross-linked methyl vinyl ether/maleic anhydride copolymer, effective to render the composition linearly viscoelastic, and a method of promoting oral hygiene by applying an effective amount of the composition to dental surface.
    Type: Grant
    Filed: August 1, 1991
    Date of Patent: April 13, 1993
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Gary A. Durga
  • Patent number: 5096698
    Abstract: Dental cream in contact with a polyolefin resin surface of a package such as a laminate tube, a mechanical dispenser or a flexible sachet. The dental cream contains a dentally acceptable water-insoluble alkaline earth metal salt, a liquid vehicle, a gelling agent and an additive which prevents syneresis. The liquid vehicle contains water, glycerine and sorbitol. The additive which prevents syneresis due to contact between the dental cream and the polyolefin resin is a nonionic block copolymer containing moieties of polyoxyethylene and polyoxypropylene.
    Type: Grant
    Filed: November 26, 1990
    Date of Patent: March 17, 1992
    Assignee: Colgate-Palmolive Company
    Inventors: Robert L. Mitchell, Gary A. Durga