| abstract |
A formulation includingn (A) at least one compound selected from methylglycine diacetate (MGDA) and glutamic acid diacetate (GLDA) and salts thereof, (B) at least one graft copolymer composed ofn (a) at least one graft base selected from nonionic monosaccharides, disaccharides, oligosaccharides and polysaccharides,n and side chains obtainable by grafting on of n (b) at least one ethylenically unsaturated mono- or dicarboxylic acid and (c) at least one compound of the general formula (I), n nn nwhere the variables are defined as follows:n R 1 is selected from methyl and hydrogen, A 1 is selected from C 2 -C 4 -alkylene, R 2 are identical or different and selected from C 1 -C 4 -alkyl, X − is selected from halide, mono-C 1 -C 4 -alkyl sulfate and sulfate. |