Patent ID: 6369016
Filing Date: 2002-04-09
Classification: C11D

Abstract:
A heavy oil remover, comprising:from about 3 to about 96 weight percent hydrocarbon solvent, wherein the hydrocarbon solvent is d-limonene, a terpene, a terpenoid, light straight run gasoline, catalytic reformate, hydrocracked gasoline, catalytically cracked gasoline, polymer gasoline, alkylate, #1 fuel oil, #2 fuel oil, kerosene, jet fuel, diesel fuel, heating oil, furnace oil, naphtha, middle distillate, white oil, lubricating oil, gas oil, cyclopentane, methylcyclopentane, dimethylcyclopentane, cyclohexane, methylcyclohexane, 1,2-dimethylcyclohexane, decahydronaphthalene, or a mixture thereof; from about 1 to about 94 weight percent dipropylene glycol mono n-butyl ether; from about 1 to about 95 weight percent volatility stabilizer; from about 2 to about 95 weight percent salt of an alkyl aromatic sulfonic acid; from about 0.1 to about 75 weight percent branched alcohol ethoxylate; from about 0.1 to about 75 weight percent ethoxylated alkyl mercaptan; and up to about 95 weight percent water.