Patents by Inventor Angelo Zaccagnino

Angelo Zaccagnino 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).

  • Dual component dentifrice for reducing mouth odors
    Patent number: 6375933
    Abstract: A dual component oral composition to suppress oral malodor and provide long lasting breath protection in the oral cavity which comprises a first dentifrice component having a substantially neutral pH and containing a zinc ion releasable compound and a chlorite ion releasable compound, the second dentifrice component having an acid pH, the first and second components being maintained separate from each other until dispensed and combined for application to teeth, the combined components having a pH of no greater than 7.
    Type: Grant
    Filed: January 3, 2001
    Date of Patent: April 23, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Ravi Subramanyam, Malcolm Williams, Petros Gebreselassie, Xiaoyan Liu, Angelo Zaccagnino, James G. Masters
  • Viscoelastic personal care composition
    Patent number: 5385729
    Abstract: A personal care composition in the form of a hair or skin-treating gel 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 personal care by applying an effective amount of the composition to the hair or skin.
    Type: Grant
    Filed: August 24, 1992
    Date of Patent: January 31, 1995
    Assignee: Colgate Palmolive Company
    Inventors: Michael Prencipe, Angelo Zaccagnino