US Patent 7985724 Detergent composition for hard surface

Disclosed is a detergent composition for hard surface, containing (A) a monoalkyl glyceryl ether whose alkyl group has 3 to 8 carbon atoms, (B) a specific compound represented by the formula (1), (C) an amine, (D) a polyvalent carboxylic acid having a molecular weight of 40 to 400 and/or a salt thereof, (E) a surfactant provided that (A) and (B) are excluded from (E), and water, wherein the mass ratio of (A)/(B), the content of (A)+(B), the mass ratio of (C)/(D), and the content of (C)+(D) are respectively in a specific range, and the pH of the detergent composition at 20° C. is 9.5 to 11.5.