Patents by Inventor George B. Siddall

George B. Siddall 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).

  • Gold recovery processes
    Patent number: 4597791
    Abstract: The present invention relates to a process for the separation of gold from particulate material containing gold, which comprises introducing a hydrophobic liquid, a non-gold particulate hydrophobic bulking material and particulate, gold containing material into an aqueous liquid so that the hydrophobic liquid becomes associated with the gold and, in conjunction with the non-gold particulate hydrophobic material, forms gold bearing agglomerates bonded by the hydrophobic liquid, and separating the gold bearing agglomerates from the aqueous liquid.
    Type: Grant
    Filed: November 8, 1984
    Date of Patent: July 1, 1986
    Assignee: Bateman Engineering (International) Limited
    Inventor: George B. Siddall