Patent ID: 6241791
Filing Date: 2001-06-05
Classification: C10L

Abstract:
A liquid mixture suitable as gasoline characterized in that it has a RON octane number equal to or higher than 90 and a MON octane number equal to or higher than 80 and that it consists essentially of:(A) a typical gasoline cut, having a boiling point ranging from 30 to 220.degree. C., consisting of hydrocarbon compounds;(B) one or more compounds derived from the selective oligomerization of isobutene, which may optionally have been at least partially hydrogenated, in a quantity ranging from 0.5 to 20% by weight, wherein dimers of isobutene and possible co-dimers of isobutene with n-butenes are in a quantity of at least 80% by weight; and(C) ethanol in a quantity up to 10% by weight, wherein said quantity for component (B) and said quantity for component (C) are subject to a proviso that components (B) and (C) are present in synergistic effective amounts.