Patent · US Expired

Process for purifying lithium hexafluoroarsenate

US4053571A · kind A · utility

6Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 1977
Grant dateOct 11, 1977
Priority date—
Expiry dateJan 31, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2006/80
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Lithium hexafluoroarsenate containing impurities, such as LiAsF.sub.5 OH HF, is purified by passing a solution of the impure product in an organic solvent, such as methyl formate, through a column of activated alumina which selectively adsorbs and removes such impurities.

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