Patent ID: 8709990

Claim:
A formulation, comprising: (A) in total, from 10 to 50% by weight of at least one compound selected from the group consisting of methylglycine diacetate (MGDA), nitrilotriacetic acid, glutamic acid diacetate, a salt of methylglycine diacetate, a salt of nitrilotriacetic acid, a salt of glutamic acid diacetate, a derivative of methylglycine diacetate, a derivative of nitrilotriacetic acid and a derivative of glutamic acid diacetate, and (B) in total, from 0.05 to 2% by weight of at least one ethyleneimine homopolymer, (C) in total, from 1 to 50% by weight of sodium citrate, and (D) in total, from 0.5 to 15% by weight of at least one compound selected from the group consisting of alkali metal percarbonate, alkali metal perborate and alkali metal persulfate, based in each case on the solids content of said formulation.