Patent · US Expired

Metal extraction process with substituted 8-hydroxyquinoline

US4942023A · kind A · utility

9Cited by

15References

10Claims

0Family size

Assignee

Metallurgie Hoboken-Overpelt · BE

Inventors

Achille De Schepper · Kasterlee, BE
Guy G. Haesebroek · Mortsel, BE
Antoine Van Peteghem · Olen, BE

Key dates

Filing date	Dec 21, 1988
Grant date	Jul 17, 1990
Priority date	—
Expiry date	Dec 21, 2008

Classification

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

Abstract

A process using an extractant, that consists on the one hand of an active component being substituted 8-hydroxyquinoline and on the other hand of by-products of the manufacture of said extractant, said process being characterized in that the extractant contains at least 90 wt % of the active component.

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