C.I. PIGMENT BLUE 80-BASED BLUE DYE

摘要

The invention relates to a pigment preparation which is characterized by a content in a) a benzimidazolone dioxazine compound of formula (I) as the base pigment and b) a dioxazine compound of general formula (IV) as the pigment dispersant, wherein Q represents an m-valent group of a compound of formula (III) wherein m is a number from 1 to 4.