Polyalkylphenyl and polyalkyloxycarbonylphenyl hydroxybenzoates and fuel compositions containing the same

摘要

A compound of the formula: (I) wherein X is hydrogen or hydroxy, and Y is -R or -C(O)O-R, wherein R is a polyalkyl group having an average molecular weight of about from 450 to 5000; or a fuel soluble salt thereof. The compounds of formula I are useful as hydrocarbon fuel additives for the prevention and control of deposits, especially intake valve deposits, in internal combustion engines.