Lubrication and lubricating oil compositions

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 211/51 (2006.01) C10M 133/12 (2006.01) C10M 137/10 (2006.01) C10M 159/00 (2006.01) C10M 163/00 (2006.01)

Patent

CA 2720764

Tetra-alkylated phenylenediamine compounds useful as ashless TBN sources for lubricating oil compositions that are compatible with fluoroelastomeric engine seal materials and meet copper corrosion requirements, and lubricating oil compositions containing such phenylenediamine compounds.

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