Fuel and related compositions – Liquid fuels
Reexamination Certificate
2003-11-06
2008-08-26
Toomer, Cephia D (Department: 1797)
Fuel and related compositions
Liquid fuels
C044S385000, C044S388000, C044S418000, C208S015000, C208S016000, C208S017000
Reexamination Certificate
active
07416568
ABSTRACT:
An aviation gasoline composition comprising at least one tri-methyl pentane hydrocarbon and at least one C4or C5alkane wherein the amount of the at least one tri-methyl pentane in said composition is 10 to 90 vol %, the composition is substantially free of any lead compounds and the composition has a motor octane number of at least 92 and less than 98. The composition of the present invention may be made by blending together one or more process streams and may be used in a spark ignition aviation engine.
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BP Oil International Limited
Nixon & Vanderhye
Toomer Cephia D
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