Patents by Inventor Mathias J. M. Schaeken

Mathias J. M. Schaeken has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Antimicrobial composition with long-term activity
    Patent number: 5178870
    Abstract: The invention relates to an antimicrobial composition on the basis of a physiologically acceptable varnish dissolved therein an antimicrobial agent, preferably chlorhexidine, in an amount sufficient for elimination of Streptococcus mutans in one treatment. This composition can be applied on the tooth surface and other surfaces, such as the skin or on medical instruments.
    Type: Grant
    Filed: May 18, 1992
    Date of Patent: January 12, 1993
    Assignees: Explore, Rijksuniversiteit te Groningen
    Inventors: Mathias J. M. Schaeken, Johannes S. Van der Hoeven, Pieter De Haan, Coenraad F. Lerk