Patent · US Active

Method for heap and dump leaching coupled with solvent extraction for metal recovery

US7635457B2 · kind B2 · utility

0Cited by

5References

24Claims

0Family size

Assignee

Cognis IP Management GmbH · DE

Inventors

Gary A. Kordosky · Tucson, US
Andrew Nisbett · Tucson, US
Hans C. Hein · Santiago, CL

Key dates

Filing date	Sep 20, 2005
Grant date	Dec 22, 2009
Priority date	—
Expiry date	Nov 7, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/20
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The disclosed invention provides a process for enhanced recovery of one or more metal values from heap and/or dump leaching of ores containing the metal values, the process comprising:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.