Patent ID: 6136051
Filing Date: 2000-10-24
Classification: C10L

Abstract:
A fuel composition comprising:(a) a major portion of hydrocarbons boiling in the gasoline range;(b) at least 1,200 ppm by weigh of a hydrocarbyl-substituted polyamine detergent of the formula:R.sub.1 NH--(R.sub.2 NH).sub.a Hwherein R.sub.1 is a polyisobutenyl group having an average molecular weight of from about 450 to about 10,000; R.sub.2 is alkylene of from two to six carbon atoms; and a is an integer of from zero to ten; and(c) at least 4,800 ppm by weight of a mineral carrier fluid, wherein the weight ratio of mineral carrier fluid to detergent is at least 4:1.