Invention Grant
- Patent Title: Multifunctional viscosity index improver containing phenothiazine
- Patent Title (中): 多功能粘度指数改进含苯胺
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Application No.: US690241Application Date: 1991-04-24
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Publication No.: US5200100APublication Date: 1993-04-06
- Inventor: Maria M. Kapuscinski , Theodore E. Nalesnik , Robert T. Biggs , Benjamin J. Kaufman
- Applicant: Maria M. Kapuscinski , Theodore E. Nalesnik , Robert T. Biggs , Benjamin J. Kaufman
- Applicant Address: NY White Plains
- Assignee: Texaco Inc.
- Current Assignee: Texaco Inc.
- Current Assignee Address: NY White Plains
- Main IPC: C08F255/02
- IPC: C08F255/02
Abstract:
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.
Public/Granted literature
- US6132825A Sterilant degrading polymeric material Public/Granted day:2000-10-17
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