Patent ID: 8293683

Claim:
An aqueous herbicidal composition comprising at least one phenoxy acid herbicide or an agriculturally acceptable salt or derivative thereof, and a surfactant adjuvant, wherein said surfactant adjuvant comprises at least one alkylamidopropyl dialkylamine surfactant having the formula wherein R is -a straight or branched chain, saturated or unsaturated acyl group having 6-22 carbon atoms, n is 3, and Y and Y′ are, independently, an alkyl group having 1-4 carbon atoms or (AO) s H, wherein AO is an alkyleneoxy group having 2-4 carbon atoms, and s is on average 1-10; provided that at least one of the groups Y and Y′ is an alkyl group having 1-4 carbon atoms; or a salt thereof; wherein the quaternised derivatives of the alkylamidopropyldialkylamine surfactants are excluded.