Pigment dispersants and their use

摘要

There is disclosed a pigment dispersant comprises the compound represented by the following formula (I) or a metal salt, ammonium salt, amine salt or alkylammoniumchloride salt thereof. Also disclosed are a colored composition for CF, a process for the fabrication of a CF, the color filter fabricated by the process, an image display device including the color filter, and an information communication equipment including the image display device. These colored composition, process, color filter, image display device and information communication equipment all make either direct or indirect use of the pigment dispersant.