Patent · US Expired

Process for rhenium recovery

US4572823A · kind A · utility

7Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 1984
Grant dateFeb 25, 1986
Priority date
Expiry dateMay 7, 2004

Classification

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

Abstract

A process for rhenium recovery by the use of an anion exchange resin comprises eluting rhenium from the rhenium-adsorbed anion exchange resin with a hydrochloric acid solution containing a metal chloride. Preferred metal chloride is that of copper, cadmium, or zinc.

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