Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nigel Peter Tait0
Olaf Graupner0
Andrea Schütze0
David Roy Kendall0
Jurgen Jacobus Johannes Louis0
Matthias Mundt0
Date of Patent
March 8, 2011
0Patent Application Number
105075520
Date Filed
March 14, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The use of an effective concentration of a hydrocarbyl amine wherein the hydrocarbyl moiety has a number average molecular weight in the range 140 to 255 as an additive in an unleaded gasoline composition is provided containing a major proportion of a gasoline suitable for use in a spark ignition engine, for reducing injector nozzle fouling in a direct injection spark ignition engine. A method of operating a direct injection spark ignition engine is also provided.
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