03.29.18
US Patent No. 9,920,284 B2; S. C. Johnson & Son, Inc. has patented an aqueous cleaning composition comprising an ionic liquid that is a polypropoxylated 2-(trialkylammonio) ethanol salt; an amino alcohol; a component selected from the group consisting of a quaternary benzyl ammonium surfactant, a nonionic surfactant, an aminopolycarboxylate chelating agent, or mixtures thereof; and water.
