Patent ID: 7176174

Claim:
A composition, comprising: (A) a solvent selected from the group consisting of: mineral spirits; turpentine; methylene chloride; perchloroethylene; acetone; methyl ethyl ketone; N-methyl pyrrolidone; dimethyl glutarate; dimethyl adipate; and mixtures of two or more; (B) water; and (C) a surfactant comprising a mixture of the product made by the reaction of a polyisobutene substituted succinic acid or anhydride with an alkanol amine wherein the polyisobutene group has a number average molecular weight of about 1500 to 3000; the product made from the reaction of a hydrocarbon substituted succinic acid or anhydride with an alkanol amine and wherein the hydrocarbon substituent has about 12 to about 30 carbon atoms, and the product made from the reaction of a polyisobutene-substituted succinic acid or anhydride with at least one alkylene polyamine wherein the polyisobutene group has a number average molecular weight of about 750 to about 1500; and wherein the composition is a water-in-oil emulsion, wherein the solvent is present in the water-in-oil emulsion at about 25 to about 85% by weight; and the composition being characterized by the absence of an oxygen supplying oxidizer salt.