Patent · US Active

Quaternary ammonium salt, electrolyte, and electrochemical device

US7834197B2 · kind B2 · utility

26Cited by
0References
14Claims
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Key dates

Filing dateJun 30, 2004
Grant dateNov 16, 2010
Priority date
Expiry dateDec 18, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/70
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A quaternary ammonium salt of the formula (1), electrolytic solution and electrochemical device using the saltwherein R1 is straight-chain or branched alkyl having 1 to 4 carbon atoms, R2 is methyl or ethyl, and X− is a fluorine-containing anion.

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