Use of hydrogenated diene styrene polymer to reduce particulate emissions
AssigneeTotalenergies Onetech
InventorsGautier Burette, François Paoloni
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Abstract
The present application relates to the use of a lubricant composition comprising a base oil and a hydrogenated diene styrene polymer to reduce engine particulate emissions.
Claims9
A method of reducing particle emissions in a motor vehicle engine comprising at least one step of bringing into contact the engine with a lubricating composition, the lubricating composition comprising a base oil and a star-shaped hydrogenated styrene diene polymer, wherein the diene polymer is a hydrogenated isoprene unit.
A method for reducing particle emission in a motor vehicle engine lubricated with a lubricating composition comprising the addition of a star-shaped hydrogenated styrene diene polymer to said lubricating composition, wherein the diene polymer is a hydrogenated isoprene unit.
Dependencies are inferred from the claim text.