Patents by Inventor Wojciech J. Zaleski

Wojciech J. Zaleski 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 by adsorption from ozonized cyanidation liquor
    Patent number: 4155983
    Abstract: A process for recovering gold from a gold bearing liquor arising from a cyanidation process including the steps of treating the liquor with ozonized air or ozonized oxygen, adsorbing the gold values from the treated liquor on activated carbon, and recovering the gold values from the loaded activated carbon.
    Type: Grant
    Filed: October 19, 1977
    Date of Patent: May 22, 1979
    Inventor: Wojciech J. Zaleski