Patents Assigned to Gingi-Pak
  • Light-curable orthodontic bracket adhesive
    Patent number: 5112880
    Abstract: A light-curable orthodontic bracket adhesive composition is provided for bonding an orthodontic bracket to the surface of a human tooth. The composition contains a particulate filler material, an acrylate-based resin, and a photoinitiator composition effective to catalyze polymerization upon irradiation. A method of using the composition is also provided.
    Type: Grant
    Filed: March 9, 1990
    Date of Patent: May 12, 1992
    Assignees: Gingi-Pak, Sankin Kogyo K.K. Industry Ltd.
    Inventors: Masayoshi Tsunekawa, Raymond L. Ramirez