C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/00 (2006.01) C07C 69/88 (2006.01) C07C 205/57 (2006.01) C07C 229/38 (2006.01) C07C 229/54 (2006.01) C07C 229/60 (2006.01) C08F 8/30 (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 1/2387 (2006.01) C10L 10/00 (2006.01) C10L 1/16 (2006.01) C10L 1/24 (2006.01) C10L 1/30 (2006.01)
Patent
CA 2226668
Aromatic esters of polyalkylphenoxyalkanols having formula (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 about 450 to 5,000. The compounds of formula (I) are useful as fuel additives for the prevention and control of engine deposits.
Esters aromatiques de polyalkylphénoxyalcanols de la formule (I), ou sel de ces derniers, soluble dans un carburant. Dans cette formule, R représente hydroxy, nitro ou -(CH2)x-NR5R6, R5 et R6 représentant indépendamment hydrogène ou alkyle inférieur contenant 1 à 6 atomes de carbone et x valant 0 ou 1; R1 représente hydrogène, hydroxy, nitro ou -NR7R8, R7 et R8 représentant indépendamment hydrogène ou alkyle inférieur contenant 1 à 6 atomes de carbone; R2 et R3 représentent indépendamment hydrogène ou alkyle inférieur contenant 1 à 6 atomes de carbone; et R4 est un groupe polyalkyle dont le poids moléculaire moyen se situe entre 450 et 5000. Les composés de la formule (I) sont utiles comme additifs de carburant pour la prévention et la régulation de dépôts dans les moteurs.
Chevron Chemical Company
Sim & Mcburney
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