Patent ID: 8449721

Claim:
An aqueous slurry, comprising at least one finely divided filler which is at least partly covered at least one anionic latex, wherein the slurry is obtained by treating an aqueous slurry of the at least one finely divided filler with at least one anionic latex, wherein the at least one anionic latex consists of a) styrene and/or acrylonitrile or methacrylonitrile, b) at least one acrylate and/or methacrylate of a C 1 - to C 10 -alcohol, and d) at least one monomer comprising a (meth)acrylate of a monoalkoxylated phosphoric acid of formula (I), incorporated in the form of polymerized units, the at least one monomer comprising at least one phosphoric acid group, wherein the at least one monomer is obtained by esterifying a(meth)acrylic acid with a monoalkoxylated phosphoric acid of formula (I) H—[X] n —P(O)(OH) 2 (I), wherein X is a straight-chain or branched —C 2 -C 3 -alkylene oxide unit, and n is an integer from 5 to 15, and optionally, (c) at least one acrylic acid, methacrylic acid, maleic acid and/or itaconic acid.