Patents Assigned to Charlton Mineral Associates Pty. Ltd.
  • Mineral recovery process
    Patent number: 4976781
    Abstract: Noble metal or diamond values are recovered from ore slurries by contact with pellets of oil, coal and bitumen as a secondary binder. The pellets are of a size above 0.75 mm and contain 2% bitumen and 18% lighter oil fractions. The pellets do not disintegrate and size range remains constant.
    Type: Grant
    Filed: August 21, 1987
    Date of Patent: December 11, 1990
    Assignee: Charlton Mineral Associates Pty. Ltd.
    Inventors: David Mainwaring, Mark Cadzow