Patents Assigned to BASF Aktiengesellschsft
  • Publication number: 20090250409
    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