Lubricating-oil compositions

Details Lubricating-oil compositions Lubricating-oil compositions

C - Chemistry, Metallurgy

10

M

253/52

C10M 161/00 (2006.01) C10M 165/00 (2006.01)

Patent

CA 1272182

A B S T R A C T Lubricating-oil compositions, characterized in that they comprise a) one or more lubricating oils, b) one or more basic salts of polyvalent metals and naphthenic acids, and c) one or more polyesters or salts thereof, which are either derived from one or more hydroxycarboxylic acids of the general formula HO-X-COOH, wherein X represents a bivalent saturated or unsaturated aliphatic radical containing at least 8 carbon atoms with at least 4 carbon atoms being situated between the hydroxyl group and the carboxyl group, or derived from a mixture of one or more such hydroxycarboxylic acids and one or more carboxylic acids containing no hydroxyl groups.

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