C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
44/27
C10L 1/22 (2006.01)
Patent
CA 1306355
ABSTRACT This invention relates to processes and compositions for color stabilized distillate fuel oils which comprises an effective color stabilizing amount of (a) a tertiary amine having the formula Image wherein R and R' are the same or different alkyl groups having one to about six carbon atoms, and (b) a hydroxylamine having the formula Image wherein R and R' are the same or different and are hydrogen, alkyl, alkaryl or aralkyl groups, wherein the weight ratio of (a):(b) is from about 1:1 to about 99.7:0.3. Preferably, the alkyl, alkaryl and aralkyl groups of the hydroxylamine have from one to about twenty carbon atoms. It is further preferred that (a) is N,N-dimethylcyclo- hexylamine and (b) is N,N-diethylhydroxylamine.
557159
Betzdearborn Inc.
Borden Ladner Gervais Llp
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