| abstract |
SURFACTANTS DERIVED FROM DI- OR TRI-CARBOXYLIC HYDROXY-ACIDS (CASE V.3545) ABSTRACT OF THE DISCLOSURE Surfactants consisting of esters of di- or tri-carboxylic hydroxyacids having the formula: wherein: X = H, -CH2COOR; Y = H, OH, with the proviso that Y=H when X = -CH2COOR; R, R1, R2, which may be the same or different, are H an alkali or alkaline-earth metal, -NH4, a cation of an ammonium organic base, or an A radical selected from the group consisting of etherified (C6-C16) alkyl polysaccharides containing from 2 to 6 saccharide units and etherified (C6-C16) hydroxyalkyl aliphatic polyalcohols containing from 2 to 16 hydroxyl groups; and wherein at least one of said R, R1, R2 is an A radical. |