C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 48/00 (2006.01) C08K 5/00 (2006.01) C08K 5/3437 (2006.01) C08K 5/42 (2006.01) C09B 67/22 (2006.01)
Patent
CA 2125743
Compositions Based on 2.9-dichloroquinacridone Pigments Abstract of the Disclosure A violet quinacridone pigment composition comprising a pigmentary 2,9-dichloroquin- acridone pigment having a specific surface area below 75m2/g and a sulfonated indan- throne or copper phthalocyanine. The compositions have excellent fastness properties when used for pigmenting engineering plastics.
Babler Fridolin
Jaffe Edward Ephraim
Orange Charles Gregory
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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