Patent ID: 6413928
Filing Date: 2002-07-02
Classification: C11D

Abstract:
A process for preparing a multi-phase detergent tablet comprising the steps of:a) forming a tablet body by compressing a granular detergent mixture, said tablet body having a first surface, said first surface having at least one mold therein and said granular detergent mixture comprising at least one detergent active agent; b) providing a gelatinous mixture under constant agitation, and delivering said gelatinous mixture to said at least one mold in said tablet body to form a gelatinous portion, said gelatinous mixture comprising at least one detergent active agent and a thickening system comprising a gelling additive and a liquid diluent wherein the liquid diluent is selected from the group consisting of propylene glycols, alkylene glycol mono lower alkyl ethers, ethoxylated or propoxylated ethylene or propylene, glycerol esters, glycerol triacetate, lower molecular weight polyethylene glycols, lower molecular weight methyl esters and amides, and mixtures thereof; and c) hardening or curing said gelatinous portion to form a multi-phase detergent tablet.