C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 271/20 (2006.01) C08G 65/333 (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 2178677
Aromatic amides of poly(oxyalkylene) carbamates having the formula: Image or a fuel-soluble salt thereof; wherein A is hydroxy, nitro, amino, N-alkylamino wherein the alkyl group contains about 1 to about 6 carbon atoms, or N,N-dialkylamino wherein each alkyl group independently contains about 1 to about 6 carbon atoms; R1 and R2 are each independently hydrogen, hydroxy, lower alkyl having about 1 to about 6 carbon atoms, or lower alkoxy having about 1 to about 6 carbon atoms; R3 and R5 are each independently hydrogen or lower alkyl having about 1 to about 6 carbon atoms; R4 is hydrogen or an acyl group of the formula: Image wherein A1 is hydroxy, nitro, amino, N-alkylamino wherein the alkyl group contains about 1 to about 6 carbon atoms, or N,N-dialkylamino wherein each alkyl group independently contains about 1 to about 6 carbon atoms; R6 and R7 are each - 53 - independently hydrogen or lower alkyl having about 1 to about 6 carbon atoms and each R6 and R7 is independently selected in each -O-CHR6-CHR7- unit; R8 is hydrogen, alkyl having about 1 to about 100 carbon atoms, phenyl, aralkyl having about 7 to about 100 carbon atoms, or alkaryl having about 7 to about 100 carbon atoms; R9 and R10 are each independently hydrogen, hydroxy, lower alkyl having about 1 to about 6 carbon atoms, or lower alkoxy having about 1 to about 6 carbon atoms; x is an integer from about 2 to about 5; y is an integer from about 0 to about 1; z is an integer from about 5 to about 100. The aromatic amides of poly(oxyalkylene)carbamates are useful as fuel additives for the prevention and control of engine deposits.
Chevron Chemical Company
Sim & Mcburney
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