C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 48/00 (2006.01) C09B 5/02 (2006.01) C09B 7/00 (2006.01) C09B 19/02 (2006.01) C09B 47/08 (2006.01) C09B 57/00 (2006.01) C09B 67/22 (2006.01) C09B 69/04 (2006.01)
Patent
CA 2055019
Pyrazole derivatives of a variety of polycyclic pigments, particularly quinacridone pigments, corresponding to the general formula (see Formula I) wherein Q is the primary pigment structure can be used as additives to pigment systems to provide a broad range of performance benefits to the resulting pigment compositions.
Ag Ciba-Geigy
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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