Patent ID: 7183244

Claim:
A detergent composition comprising components (A) and (B 1 ) in a molar ratio (A)/(B 1 ), in a range of from 70/30 to 90/10: (A) a phosphate monoester represented by formula (1), and (B 1 ) a phosphate monoester represented by formula (2), wherein, R 1 and R 2 may be the same or different and each represents a straight or branched alkyl or alkenyl group having 8 to 18 carbon atoms; X 1 , X 2 , Y 1 and Y 2 may be the same or different and each represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, an alkanolamine or ammonium; and n, a molar number of ethylene oxide added, is an integer of 1.