Patent ID: 6913642

Claim:
A substantially crystalline organic pigment selected from the group consisting of quinacridone, anthraquinone, perylene, indigo, quinophthalone, indanthrone, isoindolinone, isoindoline, dioxazine, azo, phthalocyanine and diketopyrrolopyrrole pigments consisting of particles of average size from 0.01 μm to 0.12 μm, wherein the total quantity of particles of size greater than 0.12 μm and smaller than 0.01 μm is from 0 to 8% by weight, based on the weight of particles of size from 0.01 μm to 0.1 μm, and full width at half maximum of a CuK α radiation X-ray powder diagram is from 0 to 0.68 °2θ.