Method of preparing a pigment composition

Details Method of preparing a pigment composition Method of preparing a pigment composition

2007-05-24

2009-02-24

Green, Anthony J (Department: 1793)

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

C106S494000, C106S498000, C349S106000, C430S007000

Reexamination Certificate

active

07494542

ABSTRACT:
A pigment composition can be prepared by wet or dry milling a pigment selected from the group consisting of dianthraquinone pigments, diketopyrrolopyrrole pigments and a mixture thereof, in the presence of a compound represented by Formula 1:where Q denotes —NH(CH2)nNR1(R2) group or hydroxyl group, and R denotes —NH(CH2)nNR1(R2) group.

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