Quaternary ammonium salt, electrolyte, electrolyte, solution...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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Reexamination Certificate

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07875732

ABSTRACT:
A quaternary ammonium salt of the formula (1)wherein R1is straight-chain or branched alkyl having 1 to 4 carbon atoms, R2is 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−.

REFERENCES:
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patent: 2004/0094741 (2004-05-01), Sato et al.
patent: 2007/0042271 (2007-02-01), Nishida et al.
patent: 2007/0099079 (2007-05-01), Matsumoto et al.
patent: 2010/0038578 (2010-02-01), Nishida et al.
patent: 10-55717 (1998-02-01), None
patent: 2004-006803 (2004-01-01), None
patent: 02/076924 (2002-10-01), None
patent: 2005/003108 (2005-01-01), None
patent: 2005/063773 (2005-07-01), None
Zhou, Zhi-Bin et al., “Low-melting, Low-viscous, Hydrophobic Ionic Liquids:N-Alkyl(alkyl ether)-N-methylpyrrolidinium Perfluoroethyltrifluoroborate”,Chemistry Letters, vol. 33, No. 12 (2004) pp. 1636-1637.

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