Patent ID: 6589932
Filing Date: 2003-07-08
Classification: C11D

Abstract:
A multi-phase detergent tablet for use in a washing machine, the tablet comprising:a) a first phase in the form of a compressed shaped body having at least one mould therein, the shaped body being prepared at a compression pressure of from about 400 to about 2,000 kg/cm2; and b) a second phase in the form of a particulate solid compressed within said mould, the second phase being compressed at a pressure from about 40 to less than 350 kg/cm2; wherein the tablet comprises one or more detergent actives selected from the group consisting of bleaches, bleach activators, bleach catalysts, surfactants, chelating agents. builders, crystal growth inhibitors, alkalinity sources, colourants, perfumes, lime soap dispersants, organic polymeric compounds, heavy metal ion sequestrants, corrosion inhibitors, suds suppressors, solvents, fabric softening agents and systems, optical brighteners, hydrotropes, soil release agents, sulfate salts, hydrocarbon oils, bismuth compounds, polymeric dye transfer inhibiting agents and mixtures thereof.