{HEAD ~ The hydrocarbylethyl sulfonyl fluorides} containing at least 20 carbon atoms can be used to prepare {TAIL ~ lubricating oil additives} having dispersant activity by reaction with an organic compound containing at least one ##STR1## The hydrocarbylethyl sulfonyl fluoride containing from 5 to 25 carbon atoms can be used to prepare water soluble detergents by saponification with a base such as sodium hydroxide 
{ HEAD ~ The hydrocarbylethyl sulfonyl fluorides } containing at least 20 carbon atoms can be used to prepare { TAIL ~ lubricating oil additives } having dispersant activity by reaction with an organic compound containing at least one # # STR1 # # The hydrocarbylethyl sulfonyl fluoride containing from 5 to 25 carbon atoms can be used to prepare water soluble detergents by saponification with a base such as sodium hydroxide
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