Fuel oil compositions

Details Fuel oil compositions Fuel oil compositions

C - Chemistry, Metallurgy

10

L

C10L 1/18 (2006.01) C10L 1/14 (2006.01) C10L 1/189 (2006.01) C10L 10/04 (2006.01) C10L 1/16 (2006.01) C10L 1/22 (2006.01) C10L 1/28 (2006.01)

Patent

CA 2258045

This invention provides a fuel oil composition comprising a major amount of a fuel oil and a minor amount of an additive comprising at least one fuel oil-soluble alkyl or alkoxy aromatic compound wherein at least one group independently selected from alkyl and alkoxy groups of 1 to 30 carbon atoms is attached to an aromatic nucleus and at least one carboxyl group and optionally one or two hydroxyl groups are attached to the aromatic nucleus; a process for the preparation of such a fuel oil composition; and the use of such a fuel oil composition as fuel in a compression-ignition engine for controlling wear rate in the fuel injection system thereof.

L'invention concerne une composition de mazout comprenant une quantité importante d'un mazout et une quantité moindre d'un additif comportant au moins un alkyle soluble dans le mazout ou un composé aromatique d'alkoxy. Dans cette composition, au moins un groupe indépendamment sélectionné parmi des groupes alkyle et alkoxy, de 1 à 30 atomes de carbone, est fixé à un noyau aromatique et au moins un groupe carboxyle et éventuellement un ou deux groupes hydroxyle sont fixés au noyau aromatique. L'invention traite aussi d'un procédé pour la préparation d'une composition de mazout de ce type, et de l'utilisation de cette composition comme combustible dans un moteur Diesel pour contrôler le taux d'usure dans le système d'injection de combustible.

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