Patent ID: 8268334

Claim:
An aqueous liquid acidic hard surface treatment composition having a pH of about 3.5 or less which comprises: 0.001-3.5% wt. of an acid constituent which comprises lactic acid, citric acid, and malic acid, wherein the respective weight ratio of the lactic acid:citric acid:malic acid is about 16.6-26.6:1:1; an organic solvent constituent selected from the group consisting of a C 1 -C 6 monohydric alcohol and/or a glycol ether; a branched, secondary alkyl sulfate and/or a branched, secondary alkyl sulfonate anionic surfactant; a nonionic surfactant constituent which comprises a monobranched alkoxylated C10/C11-fatty alcohol, preferably based on a C-10 Guerbet alcohol, concurrently with at least one alkylpolyglucoside; optionally a cosurfactant constituent; optionally one or more further constituents selected from coloring agents, fragrances and fragrance solubilizers, viscosity modifying agents including one or more thickeners, pH adjusting agents and pH buffers including organic and inorganic salts, optical brighteners, opacifying agents, hydrotropes, abrasives, and preservatives; and the balance, water, wherein water comprises at least 80% wt. of the composition.