Use of cyan pigments in electrophotographic toners, developers, powder lacquers and ink-jet-inks

摘要

In the use of a composition comprising copper phthalocyanine (CuPc) (I) and 2-phthalimidomethyl-CuPc (II) as colorant in electrophotographic toners and developers, powders, powder lacquers, electret materials, ink-jet inks and color filters, (I) and (II) are in the form of particles with an average length/width ratio of over 2.5:1; In the use of a composition comprising copper phthalocyanine (CuPc) (I) and 2-phthalimidomethyl-CuPc (II) of the given formulae as colorant in electrophotographic toners and developers, powders, powder lacquers, electret materials, ink-jet inks and color filters, (I) and (II) are in the form of particles with an average length/width ratio of over 2.5:1. An Independent claim is also included for various compositions containing this colorant.