Stabilized bleach and laundering composition

Claim 1

A particulate bleaching detergent comprising: (a) from about 2 to about 50%, by weight, of a bleaching agent comprising a peroxyacid compound and/or a water-soluble salt thereof; (b) from about 0.1 to about 5%, by weight, of a polymer containing monomeric units of the formula ##STR7## wherein R 1 and R 2 independently represent hydrogen or an alkyl group containing from 1 to 3 carbon atoms, and M represents hydrogen, or an alkali metal, an alkaline earth metal or ammonium cation; (c) from about 3 to 50%, by weight, of at least one detergent surface active agent selected from the group consisting of anionic, cationic, nonionic, ampholytic and zwitterionic detergents; (d) from about 0 to about 10%, by weight, of a non-polymeric sequestering agent; and (e) from about 1 to about 60%, by weight, of a detergent builder salt other than that defined in (b) and (d); and (f) the balance comprising water and optionally filler salts.