Patent ID: 6518232
Filing Date: 2003-02-11
Classification: C11D

Abstract:
A microemulsion cleaning composition comprising:(a) 0.1 wt. % to 8 wt. % of an anionic selected from the group consisting of sulfonated surfactants and sulfated surfactants; (b) 0.6% to 6% of a mixture of an ethoxylated nonionic surfactant, an ethoxylated/propoxylated nonionic surfactant; (c) 1.0% to 8% of a short chain amphiphiles formed from the condensation product of an alkanol, ethylene oxide and propylene oxide; (d) 0.1% to 2% of a fatty acid; (e) 0.8% to 6% of magnesium sulfate; (f) 0 to 5 wt. % of a water insoluble hydrocarbon, essential oil or a perfume; (g) 0.001% to 1.0% of at least one preservative selected from the group consisting of 1,3 dimethylol dimethyl hydantoin, isothiazolones mixtures and 5-bromo-5-nitro-1,3-dioxane; (h) 0.25% to 1.5% of a trisodium ethylene diamine-N,N-disuccinate; (i) the balance being water wherein the composition does not contain ethylene diamine tetraacetate-sodium salt, 2-bromo-2-nitropropane-1,3 diol, a water soluble polyethylene glycol having a molecular weight from 150 to 1000, polypropylene glycol, diethylene glycol, ethylene diamine tetraacetic acid or any salt thereof, enzymes, zeolites and the composition is not impregnated into a water insoluble substrate.