C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/30 (2006.01) C10L 1/14 (2006.01) C10L 10/06 (2006.01) F01N 3/02 (2006.01) F02B 3/06 (2006.01)
Patent
CA 2083832
2083832 9220764 PCTABS00017 This invention relates to copper-containing organometallic complexes, and to concentrates and diesel fuels containing said complexes. The diesel fuels are useful with diesel engines equipped with exhaust system particulate traps. The copper-containing organometallic complex is used for lowering the ignition temperature of exhaust particles collected in the trap. The copper-containing organometallic complex is soluble or stably dispersible in the diesel fuel and is derived from (i) an organic compound containing at least two functional groups attached to a hydrocarbon linkage, and (ii) a copper-containing metal reactant capable of forming a complex with the organic compound (i). The functional groups are =X, -XR, -NR2, -NO2, =NR, =NXR, =N-R*-XR, .alpha., .beta., .psi., -CN, -N=NR or -N=CR2; wherein X is O or S, R is H or hydrocarbyl, R* is hydrocarbylene or hydrocarbylidene, and a is a number (e.g., zero to about 10). The copper can be combined with one or more metals selected from the group consisting of Na, K, Mg, Ca, Sr, Ba, V, Cr, Mo, Fe, Co, Zn, B, Pb, Sb, Ti, Mn, and Zr. This invention is also directed to methods of operating a diesel engine equipped with an exhaust system particulate trap using the foregoing diesel fuel.
Daly Daniel T.
Denis Richard A.
Huang Nai Z.
Jolley Scott T.
Koch Frederick W.
Ridout & Maybee Llp
The Lubrizol Corporation
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