发明授权
US5356999A Multifunctional viscosity index improvers based on polymers containing
sulfonamides
失效
基于含磺酰胺聚合物的多功能粘度指数改进剂
- 专利标题: Multifunctional viscosity index improvers based on polymers containing sulfonamides
- 专利标题(中): 基于含磺酰胺聚合物的多功能粘度指数改进剂
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申请号: US605069申请日: 1990-10-29
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公开(公告)号: US5356999A公开(公告)日: 1994-10-18
- 发明人: Maria M. Kapuscinski , Benjamin J. Kaufman , Robert T. Biggs
- 申请人: Maria M. Kapuscinski , Benjamin J. Kaufman , Robert T. Biggs
- 申请人地址: NY White Plains
- 专利权人: Texaco Inc.
- 当前专利权人: Texaco Inc.
- 当前专利权人地址: NY White Plains
- 主分类号: C08F8/34
- IPC分类号: C08F8/34 ; C10M151/02 ; C10M167/00 ; C08F269/00 ; C10L1/14
摘要:
Multifunctional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted an unsaturated reactive monomer and thereafter reacted with amines containing sulfonamide units.
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