Patent · US Expired

Iron ore pellets containing coarse ore particles

US4372779A · kind A · utility

9Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 1980
Grant dateFeb 8, 1983
Priority date
Expiry dateOct 7, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22B1/2406
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Iron ore pellets containing coarse ore particles, having a particle size distribution consisting of 25-40 wt % of coarse ore having a particle size greater than 0.1 mm, less than 21 wt % of medium ore having a particle size of 0.1-0.04 mm, and more than 39 wt % of fine ore having a particle size smaller than 0.04 mm.

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