Fuel and related compositions – Liquid fuels – Aluminum or heavy metal – other than lead – containing
Patent
1994-06-23
1996-10-08
McAvoy, Ellen M.
Fuel and related compositions
Liquid fuels
Aluminum or heavy metal, other than lead, containing
44358, 44363, C10L 122
Patent
active
055627420
ABSTRACT:
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 .dbd.X, --XR, --NR., --NO., .dbd.NR, .dbd.NXR, .dbd.N--R*--XR, ##STR1## --CN, --N.dbd.NR or --N.dbd.CR.; 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 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.
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Daly Daniel T.
Denis Richard A.
Huang Nai Z.
Jolley Scott T.
Koch Frederick W.
Hunter Frederick D.
McAvoy Ellen M.
The Lubrizol Corporation
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