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