C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 133/12 (2006.01) C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01) C10L 10/00 (2006.01) C10M 129/70 (2006.01) C10M 133/06 (2006.01) C10M 133/32 (2006.01)
Patent
CA 2287766
A fuel additive composition comprising: (a) an aromatic ester compound of the formula: (see formula I) or a fuel soluble salt thereof, wherein R is hydroxy, nitro or -(CH2)x-NR5R6, wherein R5 and R6 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms and x is 0 or 1; R1 is hydrogen, hydroxy, nitro or -NR7R8, wherein R7 and R8 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; R2 and R3 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; and R4 is a polyalkyl group having an average molecular weight in the range of about 450 to 5,000; and (b) an aliphatic hydrocarbyl-substituted amine having at least one basic nitrogen atom, wherein the hydrocarbyl group has a number average molecular weight of about 400 to about 1,000. The fuel additive compositions of this invention are useful as fuel additives for the prevention and control of engine deposits.
Ahmadi Majid R.
Morris Jack E.
Chevron Chemical Company Llc
Sim & Mcburney
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