Patents by Inventor Geoffrey William Miller

Geoffrey William Miller 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).

  • Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material
    Patent number: 7758669
    Abstract: A process for the recovery of nickel and cobalt from laterite ores, the process including the steps of: a) beneficiating the ore to separate it into a beneficiated upgraded ore fraction and a coarse, siliceous low grade rejects fraction which is substantially free from fines and clay materials; b) separately processing the upgraded ore fraction for the recovery of nickel and cobalt; and c) subjecting the low grade rejects fraction to a heap leach process with an acid supplemented solution to create a heap leachate for further nickel and cobalt recovery processing.
    Type: Grant
    Filed: July 13, 2004
    Date of Patent: July 20, 2010
    Assignee: BHP Billiton SSM Technology Pty Ltd
    Inventors: Geoffrey William Miller, Houyuan Liu