Patent ID: 7625856

Claim:
A water soluble container enclosing a concentrate composition consisting of: (a) at least one surfactant which is either: (i) a C 10 -C 14 alkyl sulfate surfactant, a C 10 -C 14 alkyl ether sulfate surfactant or mixture thereof, further in conjunction with one or more nonionic alkylpolyglycoside surfactants, or (ii) at least one nonionic surfactant based on an ethoxy/propoxy block copolymer, further in conjunction with at least one nonionic surfactant based on an ethoxylated fatty alcohol; (b) at least 70% wt. of at least one organic solvent having a solubility in water of at least 4% wt. selected from the group consisting of propylene glycol n-butyl ether, propylene glycol methyl ether, and mixtures thereof, and optionally a C 1 -C 6 glycol or a C 1 -C 6 monohydric alcohol; (c) in excess of 7.5% wt. water, but no more than 12.5% wt. water; (d) optionally, at least one alkanolamine; and (e) optionally, up to about 10% wt. of one or more conventional additives selected from coloring agents, fragrances and fragrance solubilizers, further surfactants, pH adjusting agents and pH buffers, optical brighteners, opacifying agents, hydrotropes, anti-oxidants, and preservatives.