Patent ID: 6472362
Filing Date: 2002-10-29
Classification: C11D

Abstract:
A detergent tablet of compressed particulate composition wherein the tablet or a region thereof comprises organic surfactant and water-insoluble detergency builder, wherein the tablet or region thereof contains from 30 to 65%, by weight of the tablet or region respectively, of particles which contain from 20 to 50% by weight of these particles of non-soap organic surfactant which is anionic and nonionic surfactants in a weight ratio from 5:1 to 1.5:1 and wherein the particles include soap and the weight ratio of nonionic surfactant to soap in said particles lies in a range from 10:1 to 30:1, and wherein in addition to said particles the tablet or region contains 15% or more by weight of the tablet or region respectively of a water-soluble material which is other than soap or organic surfactant and which is selected from the group consisting of compounds with a water-solubility exceeding 10 gm/liter water at 20Â° C.; sodium tripolyphosphate containing at least 50% of its own weight of the phase I anhydrous form, and mixtures thereof.