Fuel and related compositions – Liquid fuels – Organic compound containing -nc or -cn group
Patent
1997-09-30
1998-12-15
Howard, Jacqueline V.
Fuel and related compositions
Liquid fuels
Organic compound containing -nc or -cn group
44399, 44400, 44413, 44424, 44428, 44433, 44440, 560110, 560112, 564337, 564348, 564347, 564372, 568586, 568609, C10L 118, C10L 122
Patent
active
058490485
ABSTRACT:
Substituted biphenyl poly(oxyalkylene) ethers having the formula: ##STR1## wherein R.sub.1 is hydrogen or hydroxyl; R.sub.2 is hydroxyl, cyano, nitro, amino, aminomethyl, N-alkylamino or N-alkylaminomethyl wherein the alkyl group contains 1 to about 6 carbon atoms, N,N-dialkylamino or N,N-dialkylaminomethyl wherein each alkyl group independently contains 1 to about 6 carbon atoms, with the proviso that R.sub.1 and R.sub.2 are ortho relative to each other and meta or para relative to the adjoining phenyl substitutent; R.sub.3 and R.sub.4 are independently hydrogen or lower alkyl having 1 to about 6 carbon atoms and each R.sub.3 and R.sub.4 is independently selected in each --OCHR.sub.3 --CHR.sub.4 -- unit; R.sub.5 is hydrogen, alkyl having 1 to about 100 carbon atoms, phenyl, aralkyl having about 7 to about 100 carbon atoms, alkaryl having about 7 to about 100 carbon atoms; or an acyl group having the formula: ##STR2## wherein R.sub.6 is alkyl having 1 to about 30 carbon atoms, phenyl, or aralkyl or alkaryl having about 7 to about 36 carbon atoms; and n is an integer from about 5 to about 100.
The subsitituted biphenyl poly(oxyalkylene) ethers of the present invention are useful as fuel additives for the prevention and control of engine deposits.
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Caroli Claude J.
Chevron Chemical Company LLC
Howard Jacqueline V.
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