Lubricating compositions

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C - Chemistry, Metallurgy

10

M

C10M 141/00 (2006.01) C10M 135/36 (2006.01) C10M 141/08 (2006.01) C10M 141/12 (2006.01) C10M 163/00 (2006.01) C10M 167/00 (2006.01)

Patent

CA 2187946

Crankcase lubricant compositions for use in automobile or truck engines comprise a major proportion of a lubricating oil, and an antioxidant system comprising added copper present in oil-soluble form and at least one oil-soluble phenothiazine.

Compositions lubrifiantes pour carter, utilisables dans les moteurs d'automobile ou de camion et comportant une proportion majoritaire d'huile lubrifiante, ainsi qu'un système antioxydant comportant du cuivre ajouté présent sous forme oléosoluble, et au moins une phénothiazine oléosoluble.

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