Ionic liquids

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

Reexamination Certificate

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C548S343100

Reexamination Certificate

active

07544813

ABSTRACT:
Compositions of matter useful as ionic liquids of the formula Z+A−, wherein Z+is a cation selected from the group consisting of pyridinium, pyridazinium, pyrimidinium, pyrazinium, imidazolium, pyrazolium, thiazolium, oxazolium, triazolium, and phosphonium, ammonium cations with specified substituents, and A−is selected from the group consisting of the following three anions wherein R11, R12and R13are as specified.in-line-formulae description="In-line Formulae" end="lead"?R11—CHF—CF2—SO3−  Formula Iin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?R12—CF2—CF2—SO3−  Formula IIin-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?(R13—CHF—CF2—SO2)2N−  Formula III.in-line-formulae description="In-line Formulae" end="tail"?

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