Fuel oil compositions
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United States of America Patent
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Sep 20, 2011
Grant Date -
Jun 19, 2008
app pub date -
Nov 28, 2007
filing date -
Dec 13, 2006
priority date (Note) -
Expired
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Abstract
A fuel oil composition is disclosed. The fuel oil includes a major proportion of a fuel oil and minor amounts of: (a) at least one polar nitrogen compound effective as a wax anti-settling additive; and (b) at least one reaction product between a hydrocarbyl-substituted succinic acid or anhydride and hydrazine.
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