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:
Oct. 11, 1994
Filed:
Jul. 28, 1993
Applicant:
Inventors:
Rong-Yu Wan, Salt Lake City, UT (US);
K Marc LeVier, Salt Lake City, UT (US);
Richard B Clayton, Salt Lake City, UT (US);
Assignees:
Newmont Gold Co., Denver, CO (US);
Newmont Mining Corp., Denver, CO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22B / ; C22B / ;
U.S. Cl.
CPC ...
75744 ;
Abstract
A hydrometallurgical process for the recovery of precious metal values from refractory precious metal ore materials containing preg-robbing carbon by leaching with a thiosulfate lixiviant, the process comprising