Patent · US Expired

Method of manufacturing fine powders of metal sulfide

US3937794A · kind A · utility

1Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 2, 1973
Grant dateFeb 10, 1976
Priority date
Expiry dateAug 2, 1993

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01F7/70
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An improved method of making finely divided, dry metal halides and sulfides, such as chromium chloride and chromium sulfide which are suitable for use as lubricants and wear-proof and corrosion-proof agents for metals.

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