Patent · US Active

Processes for preparing N-ethyl-2-methylpyridinium bromide and N-ethyl-3-methylpyridinium bromide

US9453285B2 · kind B2 · utility

1Cited by
1References
4Claims
0Family size

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Key dates

Filing dateMar 20, 2014
Grant dateSep 27, 2016
Priority date
Expiry dateAug 23, 2034

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25B1/02
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A process for preparing an aqueous solution of N-ethyl-2-methylpyridinium bromide (2-MEPy), comprising reacting 2-picoline and ethyl bromide in a pressure reactor at a temperature above the melting point of the reaction mixture, combining the reaction product with water, wherein said reaction product consists essentially of 2-MEPy in a liquid form, and recovering an aqueous solution of 2-MEPy.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.