Patents Assigned to PlatTech Pty Ltd
  • Process for extracting platinum group metals
    Patent number: 7282080
    Abstract: PGMs can be extracted from a source material by heat-treating the source material to form a residue containing PGMs in a cyanide leachable condition and, thereafter, cyanide leaching the residue using a solution containing cyanide to form a pregnant cyanide leach liquor containing PGMs in solution.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: October 16, 2007
    Assignee: PlatTech Pty Ltd
    Inventors: John Derek Lewins, Alan Bax