Abstract: The invention relates to a process for purifying an ionic liquid, which comprises the steps (a) partial crystallization of the ionic liquid from its melt and (b) separation of the crystals from the residual melt.
Type:
Application
Filed:
December 6, 2005
Publication date:
October 8, 2009
Applicant:
BASF Aktiengesellschsft
Inventors:
Martin Fiene, Harald Rust, Klemens Massonne, Veit Stegmann, Oliver Huttenloch, Jörg Heilek