Patents by Inventor Lesley J. Altan

Lesley J. Altan 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).

  • Self-heating dentifrice
    Patent number: 4159316
    Abstract: There is disclosed a stable anhydrous self-heating dentifrice which contains an anhydrous synthetic zeolite as the sole or major abrasive, a hydroxypropyl cellulose gelling agent and a propylene glycol humectant as the essential ingredients.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: June 26, 1979
    Assignee: Colgate Palmolive Company
    Inventors: Joseph P. Januszewski, Lesley J. Altan