C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 205/49 (2006.01) C07C 229/42 (2006.01) C07C 229/54 (2006.01) C10L 1/18 (2006.01) C10L 1/23 (2006.01) C10L 1/238 (2006.01) C10L 10/04 (2006.01)
Patent
CA 2153768
Polyalkyl nitro and amino aromatic esters having formula (I): wherein A1 is nitro, amino, N-alkylamino wherein the alkyl group contains 1 to 6 carbon atoms, or N,N-dialkylamino wherein each alkyl group independently contains 1 to 6 carbon atoms; R1 and R2 are independently hydrogen, hydroxy, lower alkyl having 1 to 6 carbon atoms, or lower alkoxy having 1 to 6 carbon atoms; R3 is a polyalkyl group having a weight average molecular weight in the range of about 450 to 5,000; and x is an integer from 0 to 10. The polyalkyl nitro and amino aromatic esters of formula (I) are useful as fuel additives for the prevention and control of engine deposits.
Chevron Chemical Company
Sim & Mcburney
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