Patent Number:
6,166,210
Title:
Perylene imide monocarboxylic acids
Abstract:
Perylene imide monocarboxylic acids of the general formula I ##STR1## perylene-3,4-dicarboxylic acid imides, perylene imide carboxylic acid derivatives and a process for the preparation of these compounds as well as their use, inter alia, as colourants.
Inventors:
Langhals; Heinz (Ottobrunn, DE), Jona; Wolfgang (Waldkraiburg, DE)
Assignee:
Ciba Specialty Chemicals Corporation
International Classification:
C07D 471/00 (20060101); C07D 221/18 (20060101); C07D 221/00 (20060101); C07D 471/06 (20060101); C09B 5/00 (20060101); C09B 5/62 (20060101); C07D 221/18 ()
Expiration Date:
12/26/2017