Provided are methods of purifying quaternary onium salts having the steps of (a) providing an quaternary onium salt solution having a first ionic impurity concentration; (b) providing an ion exchange material charged with electrochemically stable anions; and (c) contacting the salt solution with the ion exchange material to produce an quaternary onium salt solution having a second halide concentration is less than the first ionic impurity concentration.
申请公布号
EP1856027(B1)
申请公布日期
2016.04.20
申请号
EP20060737014
申请日期
2006.03.03
申请人
HONEYWELL INTERNATIONAL INC.
发明人
SIGGEL, ALFRED;THEISSEN, MICHAEL;KANSCHIK-CONRADSEN, ANDREAS;DEMEL, SONJA;NERENZ, FRANK