LIQUID FUEL COMPOSITIONS
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United States of America Patent
Stats
-
N/A
Issued Date -
Jan 3, 2013
app pub date -
Dec 27, 2010
filing date -
Dec 29, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention provides a method of improving the performance of the lubricant of an internal combustion engine, said method comprising fuelling an internal combustion engine containing the engine lubricant with a liquid fuel composition comprising:—a base fuel suitable for use in an internal combustion engine; and—one or more poly (hydroxycarboxylic acid) derivative having a terminal amine group having formula (III): [Y—CO[O-A-CO]n—Zp]m—X wherein Y is hydrogen or optionally substituted hydrocarbyl group, A is a divalent optionally substituted hydrocarbyl group, n is from 1 to 100, m is 1 or 2, Z is an optionally substituted divalent bridging group, p is from 0 to 10, and X is terminal amine group or a group carrying a terminal amine group, wherein the terminal amine group is selected from —NR12, wherein R1 is independently selected from hydrogen and a C1-C6 hydrocarbyl group.
First Claim
Other Claims data not available