| abstract |
The present invention relates to a compound comprising a phenol ester polyol, a boron-containing compound, and optionally a reaction product of an alcohol. Further disclosed are compounds comprising a reaction product of a polyol, a boron-containing compound, and a phenolic acid or ester. Also disclosed are lubricating oil compositions and additive concentrates comprising the above compounds, and methods of operating internal combustion engines using the lubricating oil compositions. |