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US5424366A Multifunctional viscosity index improver containing phenothiazine 失效
含有吩噻嗪的多功能粘度指数改进剂

Multifunctional viscosity index improver containing phenothiazine
摘要:
Multi-functional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted an unsaturated functional monomer containing phenothiazine.
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