| 摘要 |
1. A process for the production of surface active condensates by esterification of carboxylic acis with salts of hydroxyalkanesulfonic acids, characterized in that carboxylic acids correponding to the general formula RCOOH, where R is a saturated and/or unsaturated hydrocarbon radical containing from 7 to 31 carbon atoms, are esterified with a salt corresponding to the formula HO-(CH2 )n -SO3 X, where n may assume a value of from 2 to 4 and X is an alkali metal or NH4 , in the presence of a viscosity regulator, synthetic or natural fatty acids being used as the consistency regulator.
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