Lead-free, high-octane gasoline

Details Lead-free, high-octane gasoline Lead-free, high-octane gasoline

1993-10-14

1995-03-28

Howard, Jacqueline V.

Fuel and related compositions

Liquid fuels

Organic oxygen compound containing

44459, C10L 118

Patent

active

054012805

ABSTRACT:
Lead-free, high-octane gasolines are made up of a selected class of C.sub.5 -paraffinic and C.sub.6 -hydrocarbons and a methyl-t-butylether compound (MTBE) such that they have specified physical properties of research octane numbers, Reid vapor pressures, densities at 15.degree. C. and sulfur contents and also have blended specified amounts of the MTBE compound and of those hydrocarbons to satisfy the requirements as determined by several specified equations. Startability of a cold automobile engine is conspicuously improved and emission of NOx reduced.

REFERENCES:
patent: 2952612 (1960-09-01), Trainer
patent: 3224848 (1965-12-01), Henderson
patent: 4468233 (1984-08-01), Bruderreck et al.
patent: 4519809 (1985-05-01), Hochhauser
patent: 5141525 (1992-08-01), Stuwe et al.
patent: 5256167 (1993-10-01), Kaneko et al.
European Search Report of Jan. 20, 1994 regarding European Patent Application EP 93 30 8099.

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