Polyalkyl hydroxyaromatic esters and fuel compositions containin

Details Polyalkyl hydroxyaromatic esters and fuel compositions containin Polyalkyl hydroxyaromatic esters and fuel compositions containin

1996-04-16

1998-02-03

Johnson, Jerry D.

Fuel and related compositions

Liquid fuels

Containing organic -c

560 67, 560 70, 560 71, 560 75, C10L 118, C07C 6988, C07C 6976

Patent

active

057139660

ABSTRACT:
Polyalkyl hydroxyaromatic esters having the formula: ##STR1## or a fuel-soluble salt thereof; where R.sub.1 and R.sub.2 are independently hydrogen, hydroxy, lower alkyl having 1 to 6 carbon atoms, or lower alkoxy having 1 to 6 carbon atoms; R.sub.3 is a polyalkyl group having a weight average molecular weight in the range of about 450 to 5,000; and x is an integer from 0 to 10.
The polyalkyl hydroxyaromatic esters of formula I are useful as fuel additives for the prevention and control of engine deposits.

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