Patent · US Expired

Process for reducing metal ions in aqueous solutions

US4670244A · kind A · utility

4Cited by
17References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 1, 1985
Grant dateJun 2, 1987
Priority date
Expiry dateOct 1, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01G43/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Metal ions are reduced from a higher to a lower oxidation stage using ferrophosphorus as the reductant.

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