Patents by Inventor Daniel Mallah

Daniel Mallah 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).

  • Leaching of minerals
    Patent number: 10190193
    Abstract: A method for treating a mineral composition containing iron, arsenic or other Group VA compounds comprises milling the mineral composition to a particle size of P80 of less than 25 ?m and leaching the mineral composition in the presence of lime and/or limestone and a soluble alkali complexing agent and in the presence of an oxygen containing gas at a pH in the range of from 3.5 to 6.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: January 29, 2019
    Assignee: GLENCORE TECHNOLOGY PTY LTD
    Inventors: Michael Matthew Hourn, Daniel Mallah, Paul Voigt, Duncan Turner
  • Leaching of Minerals
    Publication number: 20160258038
    Abstract: A method for treating a mineral composition containing iron, arsenic or other Group VA compounds comprises milling the mineral composition to a particle size of P80 of less than 25 ?m and leaching the mineral composition in the presence of lime and/or limestone and a soluble alkali complexing agent and in the presence of an oxygen containing gas at a pH in the range of from 3.5 to 6.
    Type: Application
    Filed: October 21, 2014
    Publication date: September 8, 2016
    Inventors: Michael Matthew Hourn, Daniel Mallah, Paul Voigt, Duncan Turner