Fuel composition and method for control of octane requirement in

Details Fuel composition and method for control of octane requirement in Fuel composition and method for control of octane requirement in

1985-12-05

1987-10-13

Dixon, Jr., William R.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

585 14, C10L 116

Patent

active

046996290

ABSTRACT:
The octane requirement increase phenomenon in a spark ignition internal combustion engine is controlled by introducing with the combustion charge a fuel composition containing an octane requirement increase-inhibiting amount of a compound selected from the group consisting of fused aromatics having at least 2, preferably between 3 and 5, aromatic rings with no heteroatoms substituted in the rings. Usually the polynuclear aromatic is added to the fuel in an amount between about 0.1 and 5.0 weight percent on the fuel. In particular, anthracene and phenanthrene, provide effective octane requirement increase-inhibiting additives for unleaded gasoline.

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patent: 2626893 (1953-01-01), Morrow
patent: 3003857 (1961-10-01), Carls
patent: 3361545 (1968-01-01), Raymond et al.
patent: 3493491 (1970-02-01), Barnes et al.
patent: 3703361 (1972-11-01), Konecky
patent: 3817721 (1974-06-01), Perilstein
patent: 3883318 (1975-05-01), Feldman et al.
patent: 3999960 (1976-12-01), Langer, Jr. et al.
patent: 4014663 (1977-03-01), Feldman et al.
patent: 4145188 (1979-03-01), Espenscheid et al.
Guthrie, Petroleum Products Handbook, 1960, p. 12.

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