Patents by Inventor John Maxwell Healey

John Maxwell Healey 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).

  • Gel toothpastes
    Patent number: 3980767
    Abstract: The invention relates to a toothpaste having a main body which is a transparent or translucent gel and secondary body of cleaning and polishing toothpaste contained within the main body in the form of a core or cores or stripe or stripes. The secondary body may contain materials, such as compounds of calcium or other polyvalent metals, which are normally incompatible with the transparent or translucent gel state of the main body.
    Type: Grant
    Filed: October 15, 1974
    Date of Patent: September 14, 1976
    Assignee: Beecham Group Limited
    Inventors: James Philip Chown, John Maxwell Healey