| abstract |
Pyridyl and piperidyl esters of polyalkylphenoxyalkanols having the formula: or a fuel soluble salt thereof, wherein A is selected from the group consisting of 3-pyridyl, 4-pyridyl, 3-piperidyl, and 4-piperidyl;R<sub>1</sub> is a polyalkyl group having an average molecular weight in the range of from about 450 to 5,000; andR<sub>2</sub> and R<sub>3</sub> are independently hydrogen or lower alkyl having from about 1 to 6 carbon atoms.The compounds of formula I are useful as fuel additives for the prevention and control of engine deposits. |