METHODS AND USES OF CONTROLLING PISTON VARNISH FORMATION IN AN INTERNAL COMBUSTION ENGINE
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Sep 10, 2015
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Sep 11, 2014
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The use as a piston varnish controlling additive in a fuel composition for a spark-ignition internal combustion engine or a compression-ignition gasoline internal combustion engine of a combination of: a. a hydrocarbyl-substituted aromatic compound; and b. a polyalkylene amine. The fuel composition may also be used for controlling power output, fuel economy, engine wear, piston ring sticking and blow-by.
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