Multi-layered liquid detergent-builder concentrate compositions which on addition to water produce stable cleaning solutions

A detergent system for single-use applications in providing a substantially homogeneous aqueous solution or dispersion of predetermined composition to be used for detergent, cleaning, or the like, purposes, comprising a fluid-tight container having at least two separate layers of liquid compositions therein, one of said layers comprising, as an essential ingredient, a predetermined proportion of a concentrate of at least one surfactant which is soluble or readily dispersible in water;

• and another of said layers comprising, as an essential ingredient, an aqueous solution, in the form of a concentrate, which includes a predetermined proportion of at least one detergent builder;
• the compositions of said separate layers being of a character such that, if mixed together in their concentrated form, they would be incompatible or immiscible and the resulting mixed composition would be non-homogeneous;
• said liquid compositions of said separate layers being so related as to the ingredients and proportions thereof that, when essentially all of the liquid contents of the layers in said container are poured into a predetermined proportion of water, a final essentially stable solution or dispersion is obtained in ready-to-use form for the intended detergent, cleaning, or the like, use of the thus finally produced stable solution.