C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
31/163, 183/49,
C09B 48/00 (2006.01) C09B 67/22 (2006.01) C09D 5/03 (2006.01) C09D 5/46 (2006.01) C09D 7/12 (2006.01) C09D 11/00 (2006.01) G03G 9/09 (2006.01) G03G 9/12 (2006.01)
Patent
CA 2291418
The use of mixed-crystal pigments of the quinacridone series consisting of a) from 85 to 99% by weight of unsubstituted .beta.-phase quinacridone of the formula (I) (see formula I) in which R1 and R2 are hydrogen atoms, and b) from 1 to 15% by weight of one or more substituted quinacridones of the formula (I) in which the substituents R1 and R2 are identical or different and are chlorine, bromine or fluorine atoms or C1-C4-alkyl, C1-C4 alkoxy or carboxamido groups, which can be substituted by C1-C6-alkyl groups, and R1 can additionally be hydrogen, as colorants in electrophotographic toners and developers, powder coating materials, inkjet inks, electret fibers, and color filters.
Baur Ruediger
Boehmer Martin
Macholdt Hans-Tobias
Schnaitmann Dieter
Urban Manfred
Clariant Gmbh
Clariant Produkte (deutschland) Gmbh
Fetherstonhaugh & Co.
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