Patent · US Expired

Process for separating gallium and indium from aqueous solutions

US4525333A · kind A · utility

3Cited by

1References

10Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Gunther Schimmel · Lechenich, DE
Gero Heymer · Lechenich, DE
Werner Krause · Plantsville, US
Werner Pieper · Kerpen, DE

Key dates

Filing date	Sep 9, 1983
Grant date	Jun 25, 1985
Priority date	—
Expiry date	Sep 9, 2003

Classification

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

Abstract

The disclosure relates to a process for separating gallium and indium from an aqueous solution by subjecting this latter to liquid/liquid extraction with the use of certain classes of organylphosphonic acid esters and separating the resulting liquid phases from one another.

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