Alkylxylene sulphonate compounds, their preparation and use.

摘要

The invention provides alkylxylene sulphonate compounds of general formula

or a metal or ammonium salt thereof, wherein R is a C6-20alkyl group, characterized in that at least 25 %w of the compounds of formula I comprise at least one compound of general formula

wherein one of R<1> and R<2> is a methyl group, the other being a C6-20 alkyl group of formula

wherein n min is 0, 1, 2 or 3 and (n + n min ) is a number in the range 4 to 18, their preparation and their use in detergent compositions and methods of displacing oil.