Quaternary ammonium salt, electrolyte, electrolyte, solution and electrochemical device
US7875732B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jan 12, 2006 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | Jan 4, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A quaternary ammonium salt of the formula (1)wherein R1 is straight-chain or branched alkyl having 1 to 4 carbon atoms, R2 is straight-chain or branched alkyl having 1 to 3 carbon atoms, and X− is CF3CO2−, CF3SO3BF3−, ClBF3−, AlF4—, CF3BF3−, C2F5BF3—, N(SO2F)2−, PF6−, AsF6— or SbF6−.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.