Oil compositions comprising overbased sulfonates for...

Details Oil compositions comprising overbased sulfonates for... Oil compositions comprising overbased sulfonates for...

C - Chemistry, Metallurgy

10

M

C10M 135/10 (2006.01) C10M 101/00 (2006.01) C10M 133/16 (2006.01) C10M 163/00 (2006.01)

Patent

CA 2442764

Oil compositions and formulated crankcase engine oils demonstrate improved fuel economy performance when comprising an overbased sulfonate detergent having a total base number greater than about 450 and which contain at least one other additive which includes a succinimide type dispersant. Methods for improving fuel economy employing such high TBN sulfonates and engine oil formulations and concentrates containing such are disclosed.

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