Patents Assigned to Telec S.A.
  • Enzymatic dentifrices
    Patent number: 4178362
    Abstract: A novel enzymatic dentifrice comprises as its essential active ingredient an amount of glucose oxidane enzyme which forms hydrogen peroxide by oxidative decomposition of a glucose substrate provided by glucose present in saliva and tooth plaque so as to cause a substantial shift toward neutral values in the pH at the surface of teeth, when said pH is below the neutral range.
    Type: Grant
    Filed: November 9, 1978
    Date of Patent: December 11, 1979
    Assignee: Telec S.A.
    Inventors: Hendrik Hoogendoorn, Rutger Matthijsen, Huibert C. T. Moelker
  • Enzymatic dentifrices
    Patent number: 4150113
    Abstract: A novel enzymatic dentifrice comprises as its essential active ingredient an amount of glucose oxidane enzyme which forms hydrogen peroxide by oxidative decomposition of a glucose substrate provided by glucose present in saliva and tooth plaque so as to cause a substantial shift toward neutral values in the pH at the surface of teeth, when said pH is below the neutral range.
    Type: Grant
    Filed: January 19, 1978
    Date of Patent: April 17, 1979
    Assignee: Telec S.A.
    Inventors: Hendrik Hoogendoorn, Rutger Matthijsen, Huibert C. T. Moelker