C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/30 (2006.01) C09K 15/24 (2006.01) C10L 1/14 (2006.01) C10L 10/06 (2006.01) F01N 3/02 (2006.01) C10L 1/22 (2006.01) F02B 3/06 (2006.01)
Patent
CA 2083834
This invention relates to combinations of (A) organometallic complexes and (B) antioxidants. These combinations can be used in diesel fuels for operating diesel engines equipped with exhaust system particulate traps. The combination of (A) and (B) is useful in towering the ignition temperature of exhaust particles collected in the trap. The organometallic complex (A) is soluble or stably dispersible in the diesel fuel acrd is derived from (i) an organic compound containing at least two functional groups att- ached to a hydrocarbon linkage, and (ii) a metal reactant capable of forming a complex with the organic compound (i), the metal being any metal capable of reducing the ignition temperature of the exhaust particles. The functional groups include =X, -XR, -NR2, -NO2, = NR, = NXR; = N-R*-XR; .alpha., .beta., .PSI.; -CN; -N = NR and - 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). Useful metals include Na, K, Mg, Ca, Sr, Ba, V, Cr, Fe, Co, Cu, Zn, Pb, Sb, and mixtures of two or more thereof. This invention is also directed to concentrates and diesel fuels, and to methods of operating a diesel engine equipped with an exhaust system particulate trap.
Adams Paul E.
Daly Daniel T.
Denis Richard A.
Huang Nai Z.
Jolley Scott T.
Ridout & Maybee Llp
The Lubrizol Corporation
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