C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 1/22 (2006.01) C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/19 (2006.01) C10L 1/196 (2006.01) C10L 1/198 (2006.01) C10L 1/23 (2006.01) C10L 1/236 (2006.01) C10L 1/238 (2006.01) C10L 1/2383 (2006.01) C10L 1/24 (2006.01) C10L 10/00 (2006.01) C10L 10/04 (2006.01) C10L 1/16 (2006.01)
Patent
CA 2359723
The invention relates to a fuel composition which is contained in a larger amount of motor petrol. Said composition comprises an aromatics content of 42 vol. % at most and a sulphur content of 150 wt. % ppm at most as well as a smaller amount of at least one motor petrol additive which has a detergent effect or which inhibits the wear of valve seats. Said additive is provided with at least one hydrophobic hydrocarbon radical with a numeric mean molecular weight of 85 to 20,000 and at least one polar grouping.
L'invention concerne une composition de carburant contenant, en quantité principale, une essence automobile ayant une teneur en aromatiques de 42 % en volume au maximum et une teneur en soufre de 150 ppm en poids au maximum, et contenant, en moindre quantité, au moins un additif pour essence automobile à effet détergent ou à effet ralentissant l'usure des sièges de soupapes. La composition de carburant selon l'invention est caractérisée en ce que cet additif pour essence automobile présente au moins un reste hydrocarbure hydrophobe à poids moléculaire moyen compris entre 85 et 20 000 et au moins un groupement polaire.
Posselt Dietmar
Schwahn Harald
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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