Patent ID: 6573230
Filing Date: 2003-06-03
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) 0.5% to 15% of a mixture of: wherein w equals one, and B is selected from the group consisting of hydrogen and a group represented by: wherein R is selected from the group consisting of alkyl group having 6 to 22 carbon atoms, and alkenyl groups having 6 to 22 carbon atoms, wherein at least one of the B groups is represented by said Râ€² is selected from the group consisting of hydrogen and methyl groups; x, y and z have a value between 0 and 60, provided that (x+y+z) equals 2 to 100, wherein in Formula (I) the weight ratio of monoester/diester/triester is 40 to 90/5 to 35/1 to 20, wherein the weight ratio of Formula (I) and Formula (II) is a value between 3 and 0.02;(c) 0.5% to 8% of a short chain amphiphiles formed from the condensation product of an alkanol, ethylene oxide and propylene oxide; (d) 0.05% to 2% of a fatty acid; (e) 0.25% to 8% of magnesium sulfate; (f) 0.1 to 5 wt. % of a water insoluble hydrocarbon, essential oil or a perfume; (g) 0.1% to 1.0% of at least one presevative selected from the group consisting of 5-bromo-5-nitro-1,3-dioxane, isothiazolinole mixture, 1,3-dimethylol-5,5-dimethyl hydantoin and mixtures thereof; (h) 0.25% to 1.5% of trisodium ethylene diamine-N,N-succinate; and (i) the balance being water, wherein the composition does not contain gluconic acid, ethylenediamine tetraacetate-sodium salt, imino disuccinate-sodium salt, water soluble polyethylene glycols having a molecular weight of 150 to 1000, polypropylene glycol of the formula HO(CH3CHCH2O)nH wherein n is a number from 2 to 18, mixtures of polyethylene glycol and polypropylene glycol, mono and di C1-C6 alkyl ethers and esters of ethylene glycol and propylene glycol having the structural formulas R(X)nOH, R1(X)nOH, R(X)nOR and R1(X)nOR1 wherein R is C1-C6 alkyl group, R1 is C2-C4 acyl group, X is (OCH2CH2) or (OCH2(CH3)CH) and n is a number from 1 to 4, diethylne glycol, polyamino acids, monosuccinic acids selected from the group consisting of succinic acid, glutaric acid, phosphoric acid, and salts thereof; ethylenediamine tetraacetic acid or any salt thereof, enzymes, zeolite, alkali metal silicates, triethylene glycol, an alkyl lactate wherein the alkyl group has 1 to 6 carbon atoms, 1-methoxy-2 propanol, 1-methoxy-3- propanol, 1-methoxy-2-, 3, or 4-butanol, grease release agents having the formula: wherein R1 is a methyl group and R2, R3, and R4 are independentiy selected from the group consisting of methyl, ethyl, and CH2CH2Y, wherein Y is selected from the group consisting of Cl, Br, CO2H, (CH2O)nOH wherein n=1 to 10, OH, CH2CH9OH and x is selected from the group consisting of Cl, Br, methosulfate, and HCO3âˆ’; and grease release agents having the formula: wherein n is about 5 to about 14, x is about 7 to 19, and y is of such a value as to provide a molecular weight about 10,000 to about 30,000.