Patents by Inventor Tsau-don Tsai

Tsau-don Tsai 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).

  • Landfill liner for capturing certain leachate contaminants in the event of leakage
    Patent number: 5710362
    Abstract: A landfill liner comprising clay and lime for capturing certain leachate contaminants, particularly potentially toxic heavy metals. The lime acts to absorb significantly more of the potentially toxic heavy metals than would a conventional clay landfill liner.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: January 20, 1998
    Assignee: Duke University
    Inventors: P. Aarne Vesilind, Tsau-don Tsai