LUBRICATING COMPOSITION CONTAINING A DISPERSANT

摘要

The invention provides a lubricating composition containing a copolymer comprising units derived from monomers (i) a-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof esterified and amidated with an alcohol and an aromatic amine respectively, and an oil of lubricating viscosity. The invention further relates to the use of the lubricating composition in an internal combustion engine.