Poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions c

Details Poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions c Poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions c

1992-12-18

1996-10-29

Johnson, Jerry D.

Fuel and related compositions

Liquid fuels

Organic oxygen compound containing

44400, 44443, C10L 118

Patent

active

055693105

ABSTRACT:
Poly(oxyalkylene) hydroxyaromatic ethers having the formula: ##STR1## or a fuel-soluble salt thereof; where R.sub.1 and R.sub.2 are each independently hydrogen, hydroxy, lower alkyl having 1 to 6 carbon atoms, or lower alkoxy having 1 to 6 carbon atoms; R.sub.3 and R.sub.4 are each independently hydrogen or lower alkyl having 1 to 6 carbon atoms; R.sub.5 is hydrogen, alkyl having 1 to 30 carbon atoms, phenyl, aralkyl or alkaryl having 7 to 36 carbon atoms, or an acyl group of the formula: ##STR2## where R.sub.6 is alkyl having 1 to 30 carbon atoms, phenyl, or aralkyl or alkaryl having 7 to 36 carbon atoms; n is an integer from 5 to 100; and x is an integer from 0 to 10.
The poly(oxyalkylene) hydroxyaromatic ethers of formula I are useful as fuel additives for the prevention and control of engine deposits.

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patent: 3123561 (1964-03-01), Rue
patent: 3849085 (1974-11-01), Kreuz et al.
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patent: 4191537 (1980-03-01), Lewis et al.
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patent: 4384872 (1983-05-01), Kester et al.
patent: 4915875 (1990-04-01), Diephouse et al.
patent: 4952732 (1990-08-01), Speranza et al.
patent: 5024678 (1991-06-01), Mertens-Gottselig et al.
CA 107(14) 124471b of JP62 06,249 13 Jan. 1987.
RN 110327-78-1 (date unknown).

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