Patents by Inventor Leonard J. Vinson

Leonard J. Vinson 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).

  • Anticalculus composition
    Patent number: 4022880
    Abstract: This invention relates to an improved composition for inhibiting dental plaque and calculus formation, comprising zinc ions and a non-toxic, organoleptically acceptable antibacterial agent in an orally acceptable medium, and to a process for retarding the growth of dental plaque and calculus by application to the teeth of the above composition.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: May 10, 1977
    Assignee: Lever Brothers Company
    Inventors: Leonard J. Vinson, Lewis P. Cancro