Patent · US Expired

Recovery of copper by cementation

US3930847A · kind A · utility

5Cited by
4References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 15, 1974
Grant dateJan 6, 1976
Priority date
Expiry dateMar 15, 1994

Classification

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

Abstract

The method of recovering copper by cementation using copper-iron materials as part of the cementation scrap, the copper and iron in said materials being substantially physically inseparable.

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