Lubricating oil composition

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 169/04 (2006.01) C10M 133/12 (2006.01)

Patent

CA 2626036

The present invention relates to a lubricating oil composition comprising one or more hydrocarbyl- substituted aromatic lubricant base oils in combination with (a) one or more phenyl-naphthylamines, and (b) one or more diphenyl amines, where said lubricating oil composition comprises one or more additional lubricant base oils comprising polyalphaolef ins and/or Fischer- Tropsch derived base oils. Further, the present invention relates to the use of the lubricating oil composition for lubricating a rotary air compressor.

La présente invention concerne une composition d~huile lubrifiante comprenant une ou plusieurs huiles lubrifiantes aromatiques de base substituées par des groupements hydrocarbyle, en association avec (a) une ou plusieurs phényl-naphtylamines et (b) une ou plusieurs diphénylamines, ladite composition d~huile lubrifiante comprenant une ou plusieurs huiles lubrifiantes de base supplémentaires comprenant des polyalphaoléfines et/ou des huiles de base dérivées de Fischer-Tropsch. La présente invention concerne en outre l~utilisation de la composition d~huile lubrifiante pour la lubrification d~un compresseur à air rotatif.

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