Patents by Inventor Samuel G. Deal

Samuel G. Deal 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 precious metals from carbonaceous ores using chlorine dioxide
    Patent number: 4941917
    Abstract: Carbonaceous ore containing a precious metal (gold) is treated with an aqueous solution of chlorine dioxide to enhance the recovery of the precious metal.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: July 17, 1990
    Assignees: Exxon Chemical Patents Inc.,, Barrick (USA) Inc.
    Inventors: Lawrence M. Cenegy, Samuel G. Deal, Max E. Cooley, Paul B. Clark