Patent ID: 7923425
Filing Date: 2011-04-12
Classification: C11D

Abstract:
1. A cleaning composition comprising water and: (A) at least one carboxylic acid; (B) one or more aromatic, water soluble or dispersible, non-ionic surfactants selected from alkoxylated aromatic alcohols having no alkyl, ring substituents; and alkoxylated aromatic alcohols having one or more alkyl, ring substituents of one to four carbons; (C) an amount of hydrotrope material sufficient to produce a stable homogeneous solution or dispersion of components (A) through (C) in water, wherein component (C) is selected from at least one ammonium or alkali metal salt of a sulfonate of toluene, xylene, or cumene; and optionally, one or more of the following: (D) one or more salts of carboxylic acids selected from the group consisting of carboxylic acids that are the same as component (A), different from component (A) and mixtures thereof; (E) a pH adjuster; (F) one or more polyhydric alcohols; and (G) one or more preservatives; wherein said cleaning composition comprises no more than about 1 percent by weight of phosphorus-containing components.