Patent ID: 7312184
Filing Date: 2007-12-25
Classification: C09K,C10G,E21B

Abstract:
1. A composition comprising: at least 85 percent of a fatty acid alkyl ester; at least one of a surfactant and a colloid; and an acid, wherein the fatty acid alkyl ester is an ester derived from a vegetable triglyceride, and wherein the surfactant comprises a composition comprising 2,2′2″-Nitrilotrisethanol aliphatic acid soap, fatty alkyl ethers reaction product with aliphatic acids, and linear aliphatic alcohols; and wherein the acid is selected from the group consisting of: a carboxylic acid, acetic acid, formic acid, citric acid, carboxylic acid, butyric acid, benzoic acid, carbonic acid, an aqueous solution of an acid, vinegar, and a mineral acid.