| 摘要 |
<p>Lubricating oil compositions comprising substantially random interpolymers comprising (1) ethylene, (2) one or more vinylic monomers selected from the group consisting of aromatic, hindered aliphatic, and cycloaliphatic vinylic monomers, and (3) one or more olefinic monomers having from 3 to about 20 carbon atoms useful as viscosity index improving agents.</p> |
