Non-metallic anti-knock fuel additive

摘要

A gasoline fuel composition comprising a major portion of gasoline and a minor portion of one or more polyaryl amines, effective to increase the octane number of the gasoline composition, represented by the formula: <IMAGE> where R1-R5 are independently hydrogen or C1-C8 aliphatic hydrocarbons; R6-R8 are independently hydrogen or C1-C6 aliphatic hydrocarbons; x is between 0 and about 2, inclusive, y is between 0 and about 3, inclusive; and z is between about 1 and about 50, inclusive.