Patent ID: 8496835
Filing Date: 2013-07-30
Classification: B01D,C07C,C07D

Abstract:
1. A displacement chromatography process, comprising: loading onto a stationary phase comprising an anion-exchange material a mixture comprising one or more component to be separated; displacing at least one of the one or more component from the stationary phase by applying to the stationary phase a mixture comprising a polyaromatic polyanionic displacer compound having the general formula:  wherein Cen=a bond, an alkenyl group, an alkynyl group, a benzene ring, a biphenylene, a naphthylene, or wherein: R=independently —H, C Z=independently —H, halogen, —OH, —OR, —NRCH w=2 to the highest number of substitutable positions on Cen; and Ar=(a), (b) and/or (c); and wherein, in the following (a), (b) and (c):