{HEAD ~ The hydrocarbylethyl sulfonyl fluorides} containing {TAIL ~ at least 20 carbon atoms} can be used to prepare 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 
containing
{ HEAD ~ The hydrocarbylethyl sulfonyl fluorides } containing { TAIL ~ at least 20 carbon atoms } can be used to prepare 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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