| abstract |
(57) [Summary] [Structure] The gasoline additive composition of the present invention comprises a polyoxyalkylene glycol, or an ester of a monoalkyl ether thereof and ω-amino fatty acid, and a monosuccinimide, a bissuccinimide, or both of them. One kind of succinimide selected from the mixed succinimide mixed, and a lubricating oil fraction having a viscosity of 3 mm 2 / s to 35 mm 2 / s (100 ° C.). [Effect] A composition for adding gasoline can be excellent in thermal stability and can be effectively dispersed in gasoline. In particular, it effectively adheres deposits to metal surfaces such as intake valves in automobile engines. Can be prevented. |