Patents Assigned to South American Silver Corp.
  • Method for recovering indium, silver, gold and rare, precious and base metals from complex oxide and sulfide ores
    Patent number: 8585991
    Abstract: The present invention relates to methods for recovering precious metals including silver and gold, rare metals including indium and gallium, base metals including copper, lead and zinc or a combination of precious, rare and base metals from complex oxide ores, sulfide ores or oxide and sulphide ores using an acid chloride oxidizing leach.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: November 19, 2013
    Assignee: South American Silver Corp.
    Inventors: David Dreisinger, Ralph Fitch, Cornelis Verbaan