Diesel fuel composition
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United States of America Patent
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Nov 13, 2012
Grant Date -
May 6, 2010
app pub date -
Jan 11, 2010
filing date -
Feb 13, 2004
priority date (Note) -
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Abstract
A diesel fuel containing a soot dispersant additive which is a grafted and derivatized low molecular weight copolymer of ethylene and at least one C3-C10 alpha monoolefin is provided. Also provided is a method for improving the fuel economy of a diesel engine which comprises operating the diesel engine with a fuel composition comprising (a) a major amount of a diesel fuel and (b) a minor fuel economy improving effective amount of the soot dispersant additive.
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