PROCESSES FOR PREPARING N-ETHYL-2-METHYLPYRIDINIUM BROMIDE AND N-ETHYL-3-METHYLPYRIDINIUM BROMIDE

The invention provides processes for preparing concentrated aqueous solutions of N-ethyl-2-methylpyridinium bromide and N- ethyl-3-methylpyridinium bromide, which solutions are useful as additives in the electrolyte of hydrogen/bromine electrochemical cells. Also provided are concentrated aqueous so...

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Bibliographic Details
Main Authors BEN-DAVID, IRIS, MIASKOVSKI, GERSHON, KOMPANIETS, IGOR
Format Patent
LanguageEnglish
French
Published 28.03.2013
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention provides processes for preparing concentrated aqueous solutions of N-ethyl-2-methylpyridinium bromide and N- ethyl-3-methylpyridinium bromide, which solutions are useful as additives in the electrolyte of hydrogen/bromine electrochemical cells. Also provided are concentrated aqueous solutions of N-ethyl-2-methylpyridinium bromide, N-ethyl-3-methylpyridinium bromide and their mixtures. L'invention concerne des procédés de préparation de solutions aqueuses concentrées de bromure de N-éthyl-2-méthylpyridinium et de bromure de N-éthyl-3-méthylpyridinium, lesdites solutions étant utiles en tant qu'additifs dans l'électrolyte de cellules électrochimiques hydrogène/brome. L'invention concerne également des solutions aqueuses concentrées de bromure de N-éthyl-2-méthylpyridinium, de bromure de N-éthyl-3-méthylpyridinium et leurs mélanges.
Bibliography:Application Number: WO2012IL00348