Patents by Inventor Gus Van Weert

Gus Van Weert 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).

  • Thiosulfate generation in situ in precious metal recovery
    Patent number: 7572317
    Abstract: Precious metal recovery by thiosulfate leaching where thiosulfate lixiviant is generated in situ employing elemental sulfur generated from partial oxidation of sulfidic precious metal-bearing feed and/or employing reactants from processing effluent.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: August 11, 2009
    Assignee: Barrick Gold Corporation
    Inventors: Yeonuk Choi, Peter Kondos, Mark Graham Aylmore, Jacques McMullen, Gus Van Weert
  • THIOSULFATE GENERATION IN SITU IN PRECIOUS METAL RECOVERY
    Publication number: 20070137437
    Abstract: Precious metal recovery by thiosulfate leaching where thiosulfate lixiviant is generated in situ employing elemental sulfur generated from partial oxidation of sulfidic precious metal-bearing feed and/or employing reactants from processing effluent.
    Type: Application
    Filed: November 10, 2006
    Publication date: June 21, 2007
    Applicant: BARRICK GOLD CORPORATION
    Inventors: Yeonuk Choi, Peter Kondos, Mark Aylmore, Jacques McMullen, Gus Van Weert