C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/18 (2006.01) C10L 1/14 (2006.01) C10L 1/198 (2006.01) C10L 10/00 (2006.01) C10L 10/04 (2006.01)
Patent
CA 2241518
The present invention is directed to a fuel additive excellent in the cleanliness performance for the intake system and combustion chamber(s) of a gasoline engine and also to a fuel composition containing the additive. A fuel additive is described having as a principal component a polyoxyalkylene glycol represented by the following formula (1) and having an average molecular weight of from 500 to 5,000: (see fig. I) wherein A represents an ethylene group or propylene group, n stands for a positive integer, and the content of oxypropylene group(s) is 50 wt% or higher; and a fuel composition comprising a petroleum fraction as a principal component and 0.001 to 5 wt%, based on the whole weight of the fuel composition, of the fuel additive.
L'invention a trait à un additif pour carburant ayant une excellente performance pour nettoyer le système d'admission et les chambres de combustion d'un moteur à essence, ainsi qu'à une composition de carburant contenant l'additif. On décrit un additif pour carburant ayant comme composante principale un polyoxyalkylèneglycol représenté par la formule suivante (1) et ayant un poids moléculaire moyen allant de 500 à 5 000 : (voir fig. I), dans laquelle A représente un groupement éthylène ou un groupement propylène, n représente un nombre entier positif, et la teneur en groupement(s) oxypropylène(s) est de 50 % en poids ou plus; et une composition de carburant comprenant une fraction pétrolière comme principale composante et de 0,001 à 5 % en poids, en fonction du poids total de la composition de carburant, d'additif pour carburant.
Hosogai Daijiro
Nishimura Junichi
Tsuboi Katsumi
Borden Ladner Gervais Llp
Tonen Corporation
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