发明授权
US4248719A Quaternary ammonium salts and lubricating oil containing said salts as dispersants 失效
含有所述盐作为分散剂的季铵盐和润滑油

Quaternary ammonium salts and lubricating oil containing said salts as
dispersants
摘要:
Quaternary ammonium salts prepared by reacting an alkenylsuccinimide with a monocarboxylic acid ester provide improved dispersancy in lubricating oils, as compared with the starting alkenylsuccinimides.
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