Poly(oxyalkylene) pyridyl and piperidyl esters and fuel composit

Details Poly(oxyalkylene) pyridyl and piperidyl esters and fuel composit Poly(oxyalkylene) pyridyl and piperidyl esters and fuel composit

1999-06-02

2000-12-26

Johnson, Jerry D.

Fuel and related compositions

Liquid fuels

Heterocyclic carbon compound containing a hetero ring having...

546227, 546238, 546245, 546248, 546315, 546318, 546341, 546342, C10L 122, C07D21132, C07D21104

Patent

active

061652369

ABSTRACT:
A poly(oxyalkylene)pyridyl or piperidyl ester having the formula: ##STR1## or a fuel-soluble salt thereof; wherein A is a nitrogen-containing ring selected from the group consisting of 3-pyridyl, 4-pyridyl, 3-piperidyl and 4-piperidyl; R.sub.1 and R.sub.2 are independently hydrogen or lower alkyl having 1 to about 6 carbon atoms and each R.sub.1 and R.sub.2 is independently selected in each --O--CHR.sub.1 --CHR.sub.2 -- unit; R.sub.3 is hydrogen, alkyl having 1 to about 100 carbon atoms, phenyl, aralkyl having about 7 to about 100 carbon atoms or alkaryl having about 7 to about 100 carbon atoms; x is an integer from 0 to 4; and n is an integer from about 5 to about 100.
The poly(oxyalkylene)pyridyl and piperidyl esters of the present invention are useful as fuel additives for the prevention and control of engine deposits.

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