Patent ID: 6479453
Filing Date: 2002-11-12
Classification: C11D

Abstract:
An aqueous alkaline cleaner composition for removing greasy oil containing lime-soaps from hard quarry or ceramic tile surfaces consisting essentially of:about 0.1-20 wt-% of an alkyl ethoxy carboxylate of the formula: Râ€”Oâ€”(CH2CH2O)n(CH2)mâ€”CO2X wherein R is a C8-C22 alkyl group,n is an integer of 1-20, m is an integer of 1-3, and X is hydrogen, sodium, potassium, lithium, ammonium, or an amine cation; the amine being monoethanolamine, diethanolamine, or triethanolamine; about 1-20 wt-% of a chelating agent, the chelating agent being nitrilotriacetic acid, ethylenediamine tetraacetic acid, N-hydroxyethyl-ethylenediamine triacetic acid, diethylene-triamine pentaacetic acid, or combination thereof; and 8-30 wt-% of a source of alkalinity.