Gasoline compositions

C - Chemistry – Metallurgy – 10 – L

Patent

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Details

C10L 1/14 (2006.01) C10L 1/02 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01) C10L 10/00 (2006.01) C10L 10/04 (2006.01)

Patent

CA 2533001

The invention provides a gasoline composition comprising a major amount of a gasoline suitable for use in a sparkignition engine, 1 to 15% v of ethyl levulinate, and 20 to 2000 ppmw of a nitrogen-containing detergent containing a hydrocarbyl group having a number average molecular weight in the range 750 to 6000; the preparation of such a composition, and its Use in operation of a spark-ignition engine.

L'invention concerne une composition d'essence comprenant une quantité majeure d'une essence appropriée pour être utilisée dans un moteur à allumage par étincelle, 1 à 15 % en v de lévulinate d'éthyle et 20 à 2 000 ppmw d'un détergent azoté contenant un groupe hydrocarbyle d'un poids moléculaire moyen en nombre compris entre 750 et 6 000. Cette invention concerne également la préparation d'une composition de ce type et son utilisation dans le fonctionnement d'un moteur à allumage par étincelle.

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