发明申请
US20110059881A1 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制备方法

Sulphur Free Composition And Lubricant Composition And Methods Thereof
摘要:
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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