Compositions for control of induction system deposits

Details Compositions for control of induction system deposits Compositions for control of induction system deposits

C - Chemistry, Metallurgy

07

D

402/216, 44/27,

C07D 207/412 (2006.01) C07C 57/13 (2006.01) C07C 211/51 (2006.01) C07C 229/30 (2006.01) C08F 8/32 (2006.01) C08G 73/10 (2006.01) C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/2383 (2006.01) C10L 1/26 (2006.01) C10L 10/00 (2006.01) C10L 1/16 (2006.01) C10L 1/22 (2006.01) C10L 1/24 (2006.01)

Patent

CA 2035713

COMPOSITIONS FOR CONTROL OF INDUCTION SYSTEM DEPOSITS Abstract of the Disclosure A detergent/dispersant prepared by a process which comprises reacting (i) triethylene tetramine or a combination of ethylene polyamines which approximate triethylene tetramine with (ii) at least one acyclic hydrocarbyl substituted succinic acylating agent characterized by having an acid number in the range of 0.9 to 1.3 and by having a substituent containing an average of 50 to 90 carbon atoms. The detergent/dispersant contains in its molecular structure in chemically combined form an average of from 1.5 to 2.2 moles of (ii) per mole of (i). Distillate fuels and additive concentrates containing such detergent dispersants are effective in reducing the amount of induction system deposits formed in an engine under normal service conditions.

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