Patent ID: 7118623

Claim:
A diaryl yellow pigment preparation comprising a) at least one diaryl yellow pigment, b) at least one natural resin based on rosin or modified rosin, c) at least one compound of the formula (1) in which the ring A is saturated, unsaturated or aromatic and the ring B is saturated or unsaturated; X is selected from the group consisting of CH 2 —CH 2 —, —CH 2 CH(CH 3 ) —CH(CH 3 )CH 2 —, and a combination thereof; x 1 and x 2 are a number from 0 to 16, the sum of x 1 and x 2 being a number from 2 to 20; D 1 and D 2 are identical or different and are a saturated or olefinic C 1 –C 4 -hydrocarbon radical; A ⊕ and A 2⊕ are an ammonium ion of an amine of the formula H 2 N—(CR 1 R 2 ) y 1 —(NR 3 —(CR 1 R 2 ) y 2 —) z —NR 4 R 5 in which R 1 to R 5 are identical or different and are hydrogen, methyl or ethyl, y 1 and y 2 are each a number from 1 to 4, and z is a number from zero to 10; and d) an aluminum, zinc, manganese or iron compound in an amount of from 0.1 to 8% by weight (calculated as metal cation), based on component b).