Patent · US Expired

Method for producing cobalt metal powder

US4409019A · kind A · utility

5Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 1982
Grant dateOct 11, 1983
Priority date
Expiry dateDec 10, 2002

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22F9/22
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A fine cobalt metal powder is produced from pieces of relatively pure cobalt by dissolving the cobalt pieces in an aqueous solution of hydrogen iodide and iodine and forming a cobalt containing solid which is subsequently reduced to a fine cobalt metal powder.

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