Invention Grant
- Patent Title: Multifunctional viscosity index improver containing phenothiazine
- Patent Title (中): 含有吩噻嗪的多功能粘度指数改进剂
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Application No.: US252390Application Date: 1994-06-01
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Publication No.: US5424366APublication Date: 1995-06-13
- 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 ; C08F255/04 ; C08F255/06 ; C10M149/04 ; C10M149/10
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
- US6041458A Tubular pillow with casing and method of covering Public/Granted day:2000-03-28
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