Methods and uses relating to fuel compositions

Details Methods and uses relating to fuel compositions Methods and uses relating to fuel compositions

C - Chemistry, Metallurgy

10

L

C10L 1/22 (2006.01) C10L 1/222 (2006.01) C10L 1/226 (2006.01) C10L 1/238 (2006.01) C10L 10/00 (2006.01) C10L 10/18 (2006.01)

Patent

CA 2753239

A method of removing deposits from a diesel engine, the method comprising combusting in the engine a diesel fuel composition comprising an engine cleaning additive, wherein the engine cleaning additive is the product of a Mannich reaction between: (a) an aldehyde;(b)ammonia, hydrazine or an amine; and (c) an optionally substituted phenol;wherein the or each substituent of the phenol component (c) has an average molecular weight of less than 400.

Cette invention concerne un procédé d'élimination des dépôts d'un moteur diesel, ledit procédé consistant à brûler dans le moteur une composition pour carburant diesel contenant un additif de nettoyage du moteur, l'additif de nettoyage du moteur étant le produit d'une réaction de Mannich entre : (a) un aldéhyde;(b) de l'ammoniaque, de l'hydrazine ou une amine; et (c) un phénol éventuellement substitué; chacun du/des substituants du composant phénol (c) ayant un poids moléculaire moyen inférieur à 400.

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