Patents Examined by S. K. Rose
  • Composition for oral hygiene
    Patent number: 4824661
    Abstract: A composition for oral hygiene with efficacy against dental plaque contains as active substances a mixture of copper compounds and 2,4,4'-trichloro-2'-hydroxydiphenyl ether, preferably in an amount of from about 0.05 to about 1.5% by weight.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: April 25, 1989
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventor: Helmar R. Wagner