The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 02, 1991
Filed:
Jul. 06, 1990
Applicant:
Inventors:
Assignee:
Noranda Inc., Toronto, CA;
Primary Examiner:
Int. Cl.
CPC ...
C22B / ; C22B / ;
U.S. Cl.
CPC ...
75736 ;
Abstract
A process for recovery of gold from an impure precious and base metal-bearing acidic chloride or mixed chloride/sulphate solution comprises the steps of contacting the acidic solution with a polymeric acrylic ester adsorbent ion exchange resin to selectively adsorb gold, and stripping the gold from the loaded resin by elution with water.