Fuel Oil Compositions
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United States of America Patent
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Issued Date -
Jun 19, 2008
app pub date -
Nov 28, 2007
filing date -
Dec 13, 2006
priority date (Note) -
Abandoned
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Abstract
A middle-distillate fuel oil composition is disclosed. The middle-distillate fuel oil composition includes minor amounts of a quaternary ammonium salt of a polycarboxylic acid; and a polyalkylene amine detergent. The concentrations of (A) and (B) endow the composition with better low temperature properties than a corresponding composition in which (A) is replaced with (Aref), an amine salt of a polycarboxylic acid analogous to (A) and which is not a quaternary ammonium salt; and the concentration of (B) is such that it would adversely affect the low temperature properties of (Aref) in the corresponding composition.
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