PIGMENTZUSAMMENSETZUNG AUF BASIS VON C.I. PIGMENT YELLOW 191

PIGMENTZUSAMMENSETZUNG AUF BASIS VON C.I. PIGMENT YELLOW 191

The invention relates to a pigment composition based on P.Y. 191 of the formula (1) containing 0.05 to 30 mol %, based on the sum of P.Y. 191 and a further yellow colorant, of at least one further yellow colorant of the formula (2) and/or of C.I. Pigment Yellow 100 in which R1, R2, R3 and R4 are eac...

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Hauptverfasser: BORCHERT, TILL, JUNG, RUEDIGER, ACS, ARPAD, SCHMIDT, MARTIN
Format: Patent
Sprache:ger
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Zusammenfassung:The invention relates to a pigment composition based on P.Y. 191 of the formula (1) containing 0.05 to 30 mol %, based on the sum of P.Y. 191 and a further yellow colorant, of at least one further yellow colorant of the formula (2) and/or of C.I. Pigment Yellow 100 in which R1, R2, R3 and R4 are each independently hydrogen, halogen, -CH3, -NO2, or NH-R6 where R6 is C1-C4-alkyl; R5 is methyl or carboxyl, and where the compound of the formula (2) is not C.I. Pigment Yellow 191.