Patent Number: 6,310,263

Title: Heavy oil remover

Abstract: A heavy oil remover comprises a hydrocarbon solvent, dipropylene glycol mono n-butyl ether, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, an ethoxylated alkyl mercaptan, and water.

Inventors: Vlasblom; Jack T. (Dunedin, FL)

Assignee: Dotolo Research Ltd.

International Classification: C11D 1/72 (20060101); C11D 3/34 (20060101); C11D 3/20 (20060101); C11D 3/18 (20060101); C11D 3/43 (20060101); C11D 001/12 ()

Expiration Date: 10/30/2018