Patent ID: 6258134
Filing Date: 2001-07-10
Classification: C10L

Abstract:
An unleaded aviation fuel composition comprising:(1) an unleaded alkylate base fuel having a boiling point range that is substantially wider than the range of boiling points in an aviation alkylate base fuel and having a MON of at least 91; and(2) a substantially positive or synergistic combination of(a) an alkyl tertiary butyl ether, and(b) an aromatic amine having the formula ##STR2##wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen or a C.sub.1 -C.sub.3 alkyl group,wherein the alkyl tertiary butyl ether and aromatic amine are added in an amount sufficient to raise the motor octane number of the composition to at least 94.