Patent · US Active

Direct smelting of zinc bearing compounds to produce metallic zinc

US8043408B2 · kind B2 · utility

0Cited by
3References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 12, 2008
Grant dateOct 25, 2011
Priority date—
Expiry dateAug 12, 2028

Classification

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

Abstract

A process and apparatus for producing lead and zinc from concentrates of zinc and lead sulfides or oxides includes the steps of:

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