Patent · US Expired

Process of briquetting sponge iron-containing material

US4308055A · kind A · utility

0Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1980
Grant dateDec 29, 1981
Priority date
Expiry dateMay 9, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22B1/24
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An improved process for briquetting sponge iron-containing material wherein as binder there is employed dilute sulfuric acid and the sponge iron-containing material contains at least 40% by weight metallic iron.

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