Esters of polyalkyl or polyalkenyl n-hydroxyalkyl...

Details Esters of polyalkyl or polyalkenyl n-hydroxyalkyl... Esters of polyalkyl or polyalkenyl n-hydroxyalkyl...

C - Chemistry, Metallurgy

07

D

C07D 207/412 (2006.01) C07D 401/12 (2006.01) C08F 8/30 (2006.01) C08F 8/46 (2006.01) C10L 1/22 (2006.01) C10L 1/238 (2006.01) C10L 1/2387 (2006.01) C10L 10/00 (2006.01)

Patent

CA 2280225

Esters of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides having the formula: Image or a fuel soluble salt thereof; wherein R is a polyalkyl or polyalkenyl group having an average molecular weight in the range of about 450 to about 5,000; n is an integer from 2 to 5; and Z is a moiety selected from the group consisting of Image wherein R1 is a hydroxy, nitro, cyano or -(CH2) x -NR3R4, wherein R3 and R4 are independently hydrogen or lower alkyl of 1 to 6 carbon atoms and x is 0 or 1; and R2 is hydrogen, hydroxy, nitro, cyano or -(CH2) y -NR5R6, wherein R5 and R6 are independently hydrogen or lower alkyl of 1 to 6 carbon atoms and y is 0 or 1. The compounds of formula 1 are useful as fuel additives for the prevention and control of engine deposits.

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