Invention Application
WO2004065530A3 SULPHUR FREE COMPOSITION AND LUBRICANT COMPOSITION AND METHODS THEREOF 审中-公开
无硫组合物和润滑剂组合物及其方法

SULPHUR FREE COMPOSITION AND LUBRICANT COMPOSITION AND METHODS THEREOF
Abstract:
A composition comprises a sulphur free reaction product of: (a)(i) a hydrocarbyl substituted aromatic compound containing an acidic group selected from the group consisting of a carboxylic group, a hydroxyl group and mixtures thereof; and (a)(ii) an organic nitrogen-containing base reacted with the acidic group. The composition is obtained by a preparatory process and is useful in a method for lubricating an internal combustion engine to include where the lubricant has reduced levels of sulphur, phosphorus and sulphated ash.
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