| abstract |
The invention provides alkylxylene sulphonate compounds of general formulan or a metal or ammonium salt thereof, wherein R is a C 6-20 alkyl group, characterized in that at least 25 %w of the compounds of formula I comprise at least one compound of general formulan wherein one of R 1 and R 2 is a methyl group, the other being a C 6 - 20 alkyl group of formulan wherein n' is 0,1,2 or 3 and (n + n') is a number in the range 4 to 18, their preparation and their use in detergent compositions and methods of displacing oil. |