Main > PIGMENT > DiketoPyrroloPyrrole+Quinacridone > Co.: CH. C > Patent > Claims Etc > Claim 1: Pigment Compn. Formulae: > ##STR8##; R1,R2,R3,R4=H Etc. > Wherein Pigments of Formulae (I) &

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Wherein Pigments of Formulae (I) &'s subsections
(II) have Own Separate Crystalline

Wherein Pigments of Formulae (I) &'s products
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