GIESELMAN, Matthew D.,JONES, Joanne L.,EVELAND, Renee A.
申请号：
EP20130717676
公开号：
EP2836577(B1)
申请日:
2013.04.08
申请国别(地区):
欧洲专利局
年份:
2017
代理人:
摘要：
The disclosed invention relates to a dispersant composition comprising at least one block derived from (i) a polyester of a hydroxy substituted carboxylic acid and at least one block derived from (ii) a polyalkylene glycol terminated by a amine group or a hydroxyl group. The invention also provides lubricating compositions containing the described dispersant as well as methods of making and using the described dispersant, including method of making the dispersant, methods of lubricating an engine with a lubricant containing the described dispersant, and methods of reducing sludge formation in an engine.
