C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/30 (2006.01) C07C 271/20 (2006.01) C07D 295/215 (2006.01) C08F 8/32 (2006.01) C10L 1/14 (2006.01) C10L 1/238 (2006.01) C10L 10/00 (2006.01) C10L 1/16 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01) C10L 1/24 (2006.01) C10L 1/30 (2006.01)
Patent
CA 2216051
Aminocarbamates of polyalkylphenoxyalkanols having the formula: (see fig. I) wherein R is a polyalkyl group having an average molecular weight in the range of about 600 to 5,000; R1 and R2 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; and A is a polyamine moiety having at least one basic nitrogen atom, wherein the polyamine is connected to the carbonyl group through one of its nitrogen atoms to form a carbamate linkage. The compounds of formula I are useful as fuel additives for the prevention and control of engine deposits.
Aminocarbamates de polyalkylphénoxyalcanols de formule (voir fig. I), où R est un groupe polyalkyle possédant une masse moléculaire de 600 à 5 000 environ; R1 et R2 sont chacun, indépendamment l'un de l'autre, un hydrogène ou un alkyle inférieur possédant de 1 à 6 atomes de carbone; A est une fraction de polyamine possédant au moins un atome d'azote basique, la polyamine étant connectée au groupe carbonyle via l'un de ses atomes d'azote pour former une liaison carbamate. Les composés de formule I sont utiles comme additifs pour carburants; ils préviennent et réduisent les dépôts dans les moteurs.
Chevron Chemical Company
Sim & Mcburney
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