Patent ID: 7938900

Claim:
An aqueous pigment preparation comprising (A) at least one organic pigment inorganic pigment or a mixture thereof, (B) at least one dispersant, surfactant or both, (C) an alkoxylated alcohol of the formula (1) wherein R 1 , R 2 , R 3 are each independently hydrogen, C 1 -C 20 -alkyl, C 3 -C 20 -cycloalkyl, C 2 -C 20 -alkenyl, C 3 -C 20 -cycloalkenyl, phenyl or benzyl, m is on average a number from 0 to 100 n is on average a number from 0 to 100 p is on average a number from 0 to 100, the sum m+n+p being at least 1 (D) a polyglycol alkyl ether, wherein the polyglycol alkyl ether is a compound of the formula (2) wherein R 4 is a substituted or unsubstituted, unbranched or branched C 13 -C 20 -alkyl the substituents being 1, 2, 3 or 4 radicals selected from the group consisting of halogen, aryl, aryl(C 1 -C 20 )alkyl, C 5 -C 6 -cycloalkyl, hetaryl, hetaryl(C 1 -C 20 )alkyl and C 1 -C 20 -alkoxy, q is a number from 1 to 200, R 5 is H, XM or a substituted or unsubstituted, unbranched or branched C 2 -C 20 -alkyl or C 3 -C 20 -cycloalkyl radical or a substituted or unsubstituted, branched or unbranched C 2 -C 20 -alkenyl or C 3 -C 20 -cycloalkenyl radical, the substituents being 1, 2, 3 or 4 radicals selected from the group consisting of halogen, aryl, aryl(C 1 -C 20 )alkyl, C 5 -C 6 -cycloalkyl, hetaryl, hetaryl(C 1 -C 20 )alkyl and C 1 -C 20 -alkoxy, where X is SO 3 − , SO 2 − , CH 2 COO − , PO 3 2− or PO 3 M − and M is H, a monovalent metal cation, a divalent metal cation, NH 4 + , a secondary, tertiary or quaternary ammonium ion, or a combination thereof. (E) optionally, hydrotropic oligomers, polymers or a mixture thereof, (F) optionally, fats, oils or fatty acids, (G) optionally, additives for producing aqueous pigment dispersions, and (H) water.