A pigment preparation comprising C.I. Pigment Yellow 74 of formula (I) as base pigment and C.I. Pigment Yellow 62 of formula (II) as pigment dispersant.
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US Patent 07419541 Monoazo pigment preparations based on C.I. Pigment Yellow 74US Patent 7419541 Monoazo pigment preparations based on C.I. Pigment Yellow 74