Fuel additive compositions containing a mannich condensation...

Details Fuel additive compositions containing a mannich condensation... Fuel additive compositions containing a mannich condensation...

C - Chemistry, Metallurgy

10

L

C10L 1/22 (2006.01) C10L 1/14 (2006.01) C10L 10/04 (2006.01) C10L 1/16 (2006.01) C10L 1/18 (2006.01)

Patent

CA 2414994

A fuel additive composition comprising: a) a Mannich condensation product of (1) a high molecular weight alkyl-substituted hydroxyaromatic compound (2) an amine having the formula: Image wherein A is CN or nitrogen, R1, R;2, R3 are independently hydrogen or lower alkyl of 1 to about 6 carbon atoms and each R2 and R3 is independently selected in each -CR2R3- unit, and x is an integer from 1 to about 6; and (3) any aldehyde, wherein the respective molar ratio of reactants (1), (2), and (3) is 1:0.1-2:0.1-2; b) a hydrocarbyl-terminated poly(oxyalkylene) monool; and c) a carboxylic acid as represented by the formula: R4(COOH)y or anhydride thereof, wherein R4 represents a hydrocarbyl group having about 2 to about 50 carbon atoms, and y represents an integer of 1 to about 4. 52

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