Patents Examined by Blandel Hazel
  • Anti-caries preparations
    Patent number: 4282204
    Abstract: Cationic polysaccharides, preferably quaternary ammonium galactomannans, are used, for example in dentifrices, mouthwashes and ointments, to inhibit dental caries by binding oral bacteria.
    Type: Grant
    Filed: May 30, 1979
    Date of Patent: August 4, 1981
    Assignee: Nicholas Proprietary Limited
    Inventors: Glyn O. Phillips, Alan N. Hall, Stephen D. Hogg