Method and fuel composition for control of octane requirement in

Details Method and fuel composition for control of octane requirement in Method and fuel composition for control of octane requirement in

1982-12-20

1984-04-24

Warren, Charles F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 69, 44 70, C01L 118

Patent

active

044445652

ABSTRACT:
The control of the octane requirement increase phenomenon in a spark ignition internal combustion engine is achieved by introducing with the combustion charge a fuel composition containing an octane requirement increase-inhibiting amount of (a) an oil-soluble iron compound and (b) carboxylic acids and/or certain derivatives thereof. In particular the esters of a tertiary alcohol and an unsubstituted, mono-carboxylic acid having at least two carbon atoms, e.g., t-butylacetate, in combination with dicyclopentadienyl iron provides an effective octane requirement increase-inhibiting additive for unleaded gasoline.

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