Patent · US Expired

Direct gold electrolysis from a loaded organic phase

US4657642A · kind A · utility

2Cited by
5References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 1985
Grant dateApr 14, 1987
Priority date—
Expiry dateSep 10, 2005

Classification

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

Abstract

A technique for extracting gold or silver values from an organic liquid having phosphorus or sulfur oxide groups which contains silver or gold cyanide ions by direct electrolytic deposition from the organic phase onto a cathode is disclosed.

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