| abstract |
A glycoside ester of sulfosuccinic acid useful as a surfactant is defined by the formula (I) in which Gn is a sugar residue, A is alkyl to which an alkylene oxide residue has been added, R′ is alkylene, M is hydrogen, metal or ammonium and B is hydrogen orn n provided that at least one of the B residue isn n The glycoside ester may be produced by reacting a glycoside compound with maleic anhydride and then an alkali metal sulfate. n n A(Gn)[(R′O)xB]y ( I ) |