Method for separating hydrogen chloride and phosgene

Details Method for separating hydrogen chloride and phosgene Method for separating hydrogen chloride and phosgene

2005-09-10

2010-02-09

Gonzalez, Porfirio Nazario (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S419000, C096S038000, C096S233000

Reexamination Certificate

active

07659430

ABSTRACT:
The invention relates to a process for separating hydrogen chloride and phosgene, which comprises bringing a mixture of hydrogen chloride and phosgene into contact with an ionic liquid in which at least part of the hydrogen chloride is dissolved in a step a) and then separating off the hydrogen chloride dissolved in the ionic liquid in a step b).

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