C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 159/00 (2006.01) C10M 143/02 (2006.01) C10M 143/10 (2006.01)
Patent
CA 2388946
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.
La présente invention concerne des compositions huileuses lubrifiantes comprenant des interpolymères essentiellement quelconques comprenant: (1) de l'éthylène, (2) un ou plusieurs monomères vinyliques choisis parmi le groupe constitué de monomères vinyliques aromatiques, aliphatiques à encombrement, et cycloaliphatiques; et (3) un ou plusieurs monomères oléfiniques ayant de 3 à environ 20 atomes de carbone utiles en tant qu'agents d'amélioration de l'indice de viscosité.
Bowen Daniel E.
Covitch Michael J.
Ridout & Maybee Llp
The Lubrizol Corporation
LandOfFree
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