Patent ID: 7456143

Claim:
A particulate detergent or cleaning composition, comprising as the only builder component (A) a phosphate free water-soluble builder component, wherein the water-soluble builder component comprises: a) 5% by weight to 35% by weight citric acid, alkali metal citrate, alkali metal carbonate, alkali metal hydrogen carbonate, or any mixture thereof; b) 1% to 5% by weight alkali metal silicate with a modulus of 1.8 to 2.5; c) up to 2% by weight phosphonic acid and/or alkali metal phosphonate; and d) up to 10% by weight polymeric polycarboxylate and (B) alkali metal percarbonate particles that comprise at least two coating layers, an innermost layer consisting essentially of alkali metal sulfate, which may also be partly present in hydrated form and an outer layer containing alkali metal silicate, wherein this outer layer makes up 0.2% by weight to less than 1% by weight of the coated particle.