| abstract |
PCT No. PCT/GB94/01695 Sec. 371 Date May 17, 1995 Sec. 102(e) Date May 17, 1995 PCT Filed Aug. 2, 1994 PCT Pub. No. WO95/04119 PCT Pub. Date Feb. 9, 1995The emission of particulates and unburnt hydrocarbons in the exhaust gas emissions from liquid hydrocarbon fuels, especially diesel fuels and fuel oils is reduced by incorporating into the fuel an effective amount of an oil-soluble alkali, alkaline earth or rare earth complex of the formula:M(R)m.nLwherein M is the metal cation of valency m, R is the residue of an organic compound RH containing an active hydrocarbon atom, preferably a beta-diketone, n is an integer usually 1, 2, 3 or 4, and L is an organic donor ligand molecule, i.e., a Lewis base. |