| 摘要 |
<p>This invention encompasses a lubricating oil composition contaminated with at least about 0.3 wt% of a biodiesel fuel or a decomposition product thereof, based on the total weight of the lubricating oil composition, comprising:
a. a major amount of base oil of lubricating viscosity ; and
b. a diarylamine compound,
wherein, the amount of the diarylamine compound is at least about 0.1 wt.%, based on the total weight of the lubricating oil composition. Methods of using the lubricating oil compositions are also described.</p> |
