Patent · US Expired

Recovery of metals from Atlantic sea nodules

US4208379A · kind A · utility

2Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 1979
Grant dateJun 17, 1980
Priority date—
Expiry dateApr 4, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S423/04
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Nickel, cobalt and manganese are selectively recovered from Atlantic deep sea nodules by means of a preliminary treatment with acetic acid, followed by leaching with sulfurous acid.

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