In accordance with the present invention, {HEAD ~ the process} comprises the addition to the hydrocarbon fuel, of {TAIL ~ a minor deposit inhibiting amount} of, as a deposit inhibiting additive, a reaction product of an oligomeric olefin, maleic anhydride, and an N alkyl alkylene diamine and a 1,3,4 thiadiazole 
In accordance with the present invention , { HEAD ~ the process } comprises the addition to the hydrocarbon fuel , of { TAIL ~ a minor deposit inhibiting amount } of , as a deposit inhibiting additive , a reaction product of an oligomeric olefin , maleic anhydride , and an N alkyl alkylene diamine and a 1,3,4 thiadiazole
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