Fuel composition

Details Fuel composition Fuel composition

2006-12-05

2006-12-05

Toomer, Cephia D. (Department: 1714)

Fuel and related compositions

Liquid fuels

Organic oxygen compound containing

C044S451000

Reexamination Certificate

active

07144436

ABSTRACT:
A fuel composition comprising gasoline having a sulphur content of less than 10 ppm by weight and an aromatic content of less than 25% by volume, characterized in that said composition comprises at least 5% by volume of olefins and is substantially free of any ethers. The fuel composition so formed has reduced emissions and improved fuel economy. The emissions from such compositions can be further reduced by incorporating therein a small amount of ethanol.

REFERENCES:
patent: 5288393 (1994-02-01), Jessup et al.
patent: H1305 (1994-05-01), Townsend et al.
patent: 5653866 (1997-08-01), Jessup et al.
patent: WO 99/49003 (1999-09-01), None
patent: WO 01/21738 (2001-03-01), None
Kirk-Othmer,Encyclopedia of Chemical Technology, Third Edition, vol. 17—Peroxides and Peroxy Compounds, Inorganic to Piping Systems, John Wiley & Sons, 1982. pp. 217 and 219.
F.D. Stump, et al., “Influence of Ethanol-Blended Fuels on the Emissions from Three Pre-1985 Light-Duty Passenger Vehicles”,Journal of the Air&Waste Management Association, vol. 46, Dec. 1996.

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