Patent · US Expired

Chemical process for the recovery of metal from an organic complex

US5364452A · kind A · utility

6Cited by
12References
10Claims
0Family size

Inventors

Key dates

Filing dateAug 19, 1993
Grant dateNov 15, 1994
Priority date
Expiry dateAug 19, 2013

Classification

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

Abstract

A method for the recovery of a metal from an organic complex thereof, said method comprising treating the complex with a weakly acid aqueous solution of an alkali metal, an alkaline earth metal or ammonium chloride having a chloride content of at least 4 molar whereby said complex is decomposed and metal ions are transferred to the aqueous solution.

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