Lubricating oil composition

Details Lubricating oil composition Lubricating oil composition

2011-06-14

2011-06-14

McAvoy, Ellen M (Department: 1771)

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic compound containing boron

C508S371000, C508S375000, C508S460000, C508S574000

Reexamination Certificate

active

07960319

ABSTRACT:
A lubricating oil composition favorably employable for trunk piston diesel engines contains an overbased sulfurized alkylphenol calcium salt, at least two (preferably three) overbased alkylsalicylic acid calcium salts having different base ratios and hydrocarbyl groups of different carbon atom numbers, a borated ashless dispersant, and a zinc dihydrocarbyldithiophosphate.

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International Search Report and Written Opinion issued in counterpart Singapore Patent Application No. 200800132-3, Dec. 29, 2009.

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