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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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | 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. |
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