Patents by Inventor Mark A. Wicks

Mark A. Wicks 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).

  • Desensitizing dentifrice
    Patent number: 5449509
    Abstract: An oral hygiene composition for use in the treatment of dentine hypersensitivity comprises a water soluble strontium salt and a water soluble potassium salt, together with a dentally acceptable excipient. Preferably, the composition is in the form of a dentifrice comprising an abrasive silica and a thickening silica, and optionally includes an ionic fluorine-containing compound.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: September 12, 1995
    Assignee: Beecham Group p.l.c.
    Inventors: Robert J. Jackson, Susan A. Duke, Mark A. Wicks
  • Non-fluoride desensitizing mouthwash
    Patent number: 5087444
    Abstract: An oral hygiene composition for use in the treatment of dentine hypersensitivity comprises a water soluble strontium salt and a water soluble potassium salt, together with a dentally acceptable excipient. Preferably, the composition is in the form of a dentifrice comprising an abrasive silica and a thickening silica, and optionally includes an ionic fluorine-containing compound.
    Type: Grant
    Filed: March 27, 1990
    Date of Patent: February 11, 1992
    Assignee: Beecham Group p.l.c.
    Inventors: Robert J. Jackson, Susan A. Duke, Mark A. Wicks