Patents Assigned to Petro Products Ltd.
  • Dental varnish composition, and method of use
    Patent number: 5330746
    Abstract: The invention relates to an oral composition for plaque prevention or tooth hypersensitivity comprising either an antibacterial agent or a hypersensitivity agent embedded in a sustained release carrier such as an acrylic polymer, and a method for the use of said compositions in preventing dental caries, periodontal disease, and tooth hypersensitivity.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: July 19, 1994
    Assignees: Yissum Research Development Company of the Hebrew University of Jerusalem, Petro Products Ltd.
    Inventors: Michael M. Friedman, Amnon Sintov