Patents by Inventor Geoffrey M. Knight

Geoffrey M. Knight 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).

  • Tooth surface treatment method
    Patent number: 6461161
    Abstract: There is provided a tooth surface treatment method, which enables one to effectively inhibit the progress of dental caries without impairing the aesthetics. The tooth surface treatment method of the invention includes applying a solution comprising a silver compound in an affected part of a tooth and then applying a solution comprising at least one compound selected from the group of sodium chloride, sodium bromide, sodium iodide, potassium chloride, potassium bromide, potassium iodide, magnesium chloride, magnesium bromide, magnesium iodide, calcium chloride, calcium bromide, calcium iodide thereto.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: October 8, 2002
    Assignee: GC Corporation
    Inventors: Hien Ngo, Geoffrey M. Knight, Graham George Craig, Toshihiro Sekiguchi