C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/22 (2006.01) C09K 15/22 (2006.01) C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/19 (2006.01) C10L 1/222 (2006.01) C10L 1/224 (2006.01) C10L 1/232 (2006.01) C10L 1/2383 (2006.01) C10L 10/02 (2006.01)
Patent
CA 2053825
Abstract Compositions and methods for achieving almost immediate reductions in emissions produced during the operations of engines or burners on middle distillate hydrocarbonaceous fuels. This is effected by including in the fuel a sufficiently high concentration of at least one fuel-soluble ashless dispersant. The amount used is equivalent to at least 50 ppm, preferably 75 to 1,000 ppm, and most preferably 100 to 250 ppm of ashless dispersant (active ingredient). It is preferred to include in the fuel at least one fuel-soluble hindered phenolic antioxi- dant, such as 2,6-di-tert-butyl-.alpha.-dimethylamino-p-cresol.
Ethyl Petroleum Additives Limited
Macrae & Co.
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