US Patent No. 10,005,984 B2; Ecolab  has patented a liquid cleaning composition comprising a nonionic surfactant; one or more coupling agents including a protic solvent, an aromatic sulfonate, or mixture thereof; a neutral salt; and a foam promotion or stabilizing agent comprising an alkyl dimethyl amine oxide and an olefin sulfonate. The neutral salt includes Na+, K+, Rb+, Cs+, Mg2+, Ca2+, Sr2+, or Ba2+ as cation and Cl−, Br−, I−, ClO4−, BrO4−, ClO3−, or NO3− as an ion. The composition has less...