Patent ID: 6933266
Filing Date: 2005-08-23
Classification: C11D

Abstract:
1. An aqueous isotropic effervescent liquid detergent composition for use in fabric washing which upon contact with wash liquor provides effervescent action, and which comprises from 1 to 35% of a builder selected from the group consisting of water soluble alkali metal phosphates, polyphosphates, borates, silicates, carbonates; polycarboxylates; water-soluble salts of phytic acid; water-soluble polyphosphonates; water-soluble salts of mellitic acid; carboxymethyloxysuccinic acid, salts of polymers of itaconic acid and maleic acid, tartrate monsuccinate, and tartrate disuccinate; amorphous and crystalline zeolites or aluminosilicates, at least 5% by weight of a surfactant including fatty acid soap and from 0.1 to less than 3% by weight of a volatile organic solvent selected from the group consisting of pentane, hexane, cyclohexane and diethylether, said solvent being present in sufficient amount to provide the effervescent action in the wash liquor and having a higher solubility in an aqueous surfactant-containing composition than in water, and the boiling point of said solvent being lower than the typical temperature during the washing process.