Patent ID: 6372706
Filing Date: 2002-04-16
Classification: C11D,C23G

Abstract:
A stable, aqueous, alkaline cleaning concentrate composition containing less than 0.002% of nitrogen and:(a) an alkali metal hydroxide alkalinizing agent in an amount of at least 1 moles of hydroxide per kilogram of total concentrate composition; (b) an anionic surfactant containing: at least 10 carbon atoms; and at least one carboxylate or carboxyl moiety per molecule wherein the ratio of total carbon atoms in said anionic surfactant to carboxyl and carboxylate moieties is at least 4; (c) a nonionic surfactant containing at least fourâ€”(CH2CH2O)â€”moieties; (d) a sequestering agent or a chelating agent; and (e) an antifoam agent.