Mannich condensation products of poly(oxyalkylene) hydroxyaromat

Details Mannich condensation products of poly(oxyalkylene) hydroxyaromat Mannich condensation products of poly(oxyalkylene) hydroxyaromat

1994-05-02

1995-05-09

Kalafut, Stephen

Fuel and related compositions

Liquid fuels

Containing organic -c

44415, 252 515R, 560 20, 560 24, 560 29, 560 32, 560 33, C10M 118, C10M 122

Patent

active

054136148

ABSTRACT:
Mannich condensation products prepared by the condensation of a compound of the formula: ##STR1## wherein R is hydrogen or lower alkyl having 1 to 6 carbon atoms; R.sub.1 is hydrogen, hydroxy, lower alkyl or lower alkoxy; R.sub.3 and R.sub.4 are independently hydrogen or lower alkyl; R.sub.5 is hydrogen, alkyl, phenyl, aralkyl, alkaryl, or an acyl group of the formula: ##STR2## wherein R.sub.6 is alkyl, phenyl, aralkyl or alkaryl; and n is an integer from 5 to 100;
with an aldehyde and a nitrogen base selected from ammonia, lower alkylamine, a polyamine and mixtures thereof.
The Mannich condensation products and their fuel soluble salts are useful as fuel additives for the prevention and control of engine deposits.

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