| abstract |
Composition exhibiting good anti-icing, anti-rust and carburetor and lower engine detergent properties and comprising a hydrocarbon mixture boiling in the gasoline range and an effective amount, usually 0.002-0.2% by weight, based on the weight of the hydrocarbon mixture, of a generally liquid, acylated polyalkylene polyamine which is substantially free of nitrogen-containing cyclic groups and is of the formula wherein R'' is C9-21 saturated or unsaturated aliphatic hydrocarbyl, n is 2 or 3 and x is 2-6. |