C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 161/00 (2006.01) C10M 167/00 (2006.01)
Patent
CA 2650216
The invention provides a lubricating composition containing (a) 0.001 to 15 wt % of a polymer with (i) a weight average molecular weight of 50,000 to 1,000,000; and (ii) a shear stability index of 10 to 100; (b) an antiwear agent; (c) a corrosion inhibitor; and (d) an oil of lubricating viscosity. The invention further provides a method for lubricating a mechanical device with the lubricating composition.
L'invention concerne une composition lubrifiante contenant (a) 0,001 à 15 % en poids d'un polymère ayant (i) un poids moléculaire moyen pondéral compris entre 50 000 et 1 000 000; et (ii) un indice de stabilité au cisaillement compris entre 10 et 100; (b) un agent anti-usure; (c) un inhibiteur de corrosion; et (d) une huile de viscosité lubrifiante. L'invention concerne, en outre, un procédé de lubrification d'un dispositif mécanique avec la composition lubrifiante.
Barber Allan
Baum Marina
Schober Barton J.
Ridout & Maybee Llp
The Lubrizol Corporation
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