Patents by Inventor Jurgen K. Biskupski

Jurgen K. Biskupski 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).

  • Patent number: 4537628
    Abstract: The extent of recovery of precious metals, preferably gold and silver, from precious metal ores, concentrates, tailings and wastes which are also sulphide- and arsenic- and/or antimony-bearing, is enhanced by treatment with Caro's acid (H.sub.2 SO.sub.5).
    Type: Grant
    Filed: December 6, 1983
    Date of Patent: August 27, 1985
    Assignee: Ontario Research Foundation
    Inventors: Vaikuntam I. Lakshmanan, Jurgen K. Biskupski