| http://www.w3.org/ns/prov#value | - The pigment dispersion according to the present invention includes not only pigment dispersion consisting of azo pigment and a thermoplastic resin, for instance, master batch for coloring plastics and master batch for color toner but also azo pigment dispersion to which resin, such as a thermosetting resin, solvent, and other additives are added, for instance, ink for lithography, gravure ink, pai
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