Patent · US Expired

High temperature reduction of copper salts

US4192676A · kind A · utility

1Cited by
3References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 11, 1978
Grant dateMar 11, 1980
Priority date
Expiry dateMay 11, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22B15/0047
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Copper is recovered from copper salts selected from the group consisting of copper chlorides, copper oxides and copper oxychlorides by reducing the finely divided solid copper salts with hydrogen under turbulent conditions at a temperature greater than the melting point of elemental copper.

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