Patent ID: 6113683
Filing Date: 2000-09-05
Classification: C01P,C09B,C09C

Abstract:
Colored pearlescent pigment comprising a pearlescent pigment, a second pigment, and an adhesion promoter whereby the adhesion promotor is a polyvinylalcohol and whereby the second pigment contains the adhesion promoter on its surface, and whereby the pearlescent pigment is either pretreated with a diluted mineral acid or contains the adhesion promoter on its surface, and whereby the second pigment is selected from the group consisting of mono azo-, disazo-, naphthol-, benzimid-azolones, azocondensation-, metal complex-, isoindolinone-, isoindoline pigments, indigo, chinophthalon-pigments, dioxazine-pigments, quinacridones, phthalocyanines, perylenes, perinones, thioindigo, aminoanthraquinones, hydroxyanthraquinones, anthrapyrimidines, indanthrones, flavanthrones, pyranthrones, anthanthrones, isoviolanthrones, and diketopyrrolopyrrole-pigments.