Aromatic ethers of polyalkylphenoxyalkanols and fuel...

Details Aromatic ethers of polyalkylphenoxyalkanols and fuel... Aromatic ethers of polyalkylphenoxyalkanols and fuel...

C - Chemistry, Metallurgy

08

F

C08F 8/00 (2006.01) C07C 205/37 (2006.01) C07C 215/84 (2006.01) C07C 217/58 (2006.01) C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/198 (2006.01) C10L 1/22 (2006.01) C10L 1/238 (2006.01) C10L 10/00 (2006.01) C10L 1/16 (2006.01) C10L 1/30 (2006.01)

Patent

CA 2217931

Aromatic ethers of polyalkylphenoxyalkanols having the formula: (see fig. I) or a fuel soluble salt thereof, wherein R is hydroxy, nitro or -(CH2)x-NR5R6, wherein R5 and R6 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms, and x is 0 or 1; R1 is hydrogen, hydroxy, nitro or -NR7R8, wherein R7 and R8 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; R2 and R3 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; and R4 is a polyalkyl group having an average molecular weight in the range of about450 to 5,000. The compounds of formula I are useful as fuel additives for the prevention and control of engine deposits.

Ethers aromatiques de polyalkylphénoxyalcanols de formule : (voir fig. I) ou un sel soluble dans le carburant de ces derniers, où R est un groupe hydroxy, nitro ou -(CH2)x-NR5R6, où R5 et R6 sont indépendamment l'un de l'autre un hydrogène ou un alkyle inférieur de 1 à 6 atomes de carbone, et x est 0 ou 1; R1 est un hydrogène, un hydroxy, un nitro ou -NR7R8, où R7 et R8 sont indépendamment l'un de l'autre un hydrogène ou un alkyle inférieur de 1 à 6 atomes de carbone; R2 et R3 sont indépendamment l'un de l'autre un hydrogène ou un alkyle inférieur de 1 à 6 atomes de carbone; et R4 est un groupe polyalkyle ayant un poids moléculaire moyen variant d'environ 450 à 5 000. Les composés de formule I sont utiles comme additifs de carburant pour la prévention et l'élimination des dépôts dans les moteurs.

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