Patent · US Expired

Beneficiation of ores

US4472270A · kind A · utility

3Cited by
11References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 18, 1983
Grant dateSep 18, 1984
Priority date
Expiry dateMay 18, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB03D2203/06
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention provides a new and improved process for beneficiating ores which comprises a single cationic float using an etherdiamine as the cationic collector following washing the feed with aqueous alkali metal silicate.

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