Patents Assigned to Allied Eneabba Limited
  • Patent number: 4395384
    Abstract: A process for the treating of zircon to remove a coating which contains iron from the surface of individual grains to make them move amenable to electrostatic and magnetic separation, wherein the method comprises coating the zircon grains with a strong basic reagent, calcining the coated grains and treating the calcined grains to remove the calcined impurities.
    Type: Grant
    Filed: April 6, 1982
    Date of Patent: July 26, 1983
    Assignee: Allied Eneabba Limited
    Inventor: Corbett J. Poynton