Patent ID: 6984269

Claim:
A method of cleaning a substrate, which includes contacting the substrate to be cleaned with a composition, particularly and aqueous composition, including at least one compound of the formula (I): (R 2 ) p —Ph—(CH 2 ) m —COO—(AO) n —R 1 (I) where R 1 is a C 1 to C 20 alkyl or alkenyl group; AO is an alkyleneoxy group and may vary along the (poly)alkyleneoxy chain; n 0 or from 1 to 100; m is 0, 1 or 2; and Ph is a phenyl group, which may be substituted with groups (R 2 ) p ; where each R 2 is independently a C 1 to C 4 alkyl or alkoxy group; and p is 0, 1 or 2.