C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/22 (2006.01) C10L 1/14 (2006.01) C10L 10/00 (2006.01) F02B 1/04 (2006.01)
Patent
CA 2077616
Case EI-6371 COMPOSITIONS FOR CONTROL OF INDUCTION SYSTEM DEPOSITS Abstract of the Disclosure Distillate fuels and additive concentrates comprising (a) 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 0.7 to 1.1 and by having a substituent containing an average of 50 to 90 carbon atoms; and (b) a mineral oil having a viscosity index of less than about 90 and a volatility of less than 50% as determined by the method disclosed are particularly effective in reducing theamount of induction system deposits formed in an engine under normal service conditions 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).
Ethyl Petroleum Additives Inc.
Macrae & Co.
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