Fuel compositions

C - Chemistry – Metallurgy – 10 – L

Patent

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Details

C10L 1/14 (2006.01) C10L 1/06 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01) C10L 10/00 (2006.01)

Patent

CA 2199914

This invention provides a fuel composition which comprises a major amount of a fuel boiling in the gasoline boiling range and a minor amount of an additive comprising a furan derivative containing a furyl group bearing one or more substituents comprising one or more heterocyclic and/or one or more aryl groups; an additive concentrate for addition to such fuel and a method of operating an internal combustion engine using such fuel composition. Fuels of the invention give rise to octane requirement increase control and/or octane requirement reduction effects.

L'invention fournit une composition de carburant qui comprend une quantité importante d'un carburant dont le point d'ébullition est dans la plage d'ébullition de l'essence et une quantité minime d'un additif comprenant un dérivé de furanne contenant un groupe de furannes qui porte un ou plusieurs substituants comprenant un hétérocycle ou plus et/ou un groupe d'aryles ou plus; un additif concentré à ajouter à un tel carburant et une méthode d'exploitation d'un moteur à combustion interne utilisant une telle composition de carburant. Les carburants de l'invention permettent le contrôle de l'augmentation des exigences en indice d'octane et/ou les effets de réduction des exigences en indice d'octane.

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