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.: US571815Application Date: 1990-08-24
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Publication No.: US5275746APublication Date: 1994-01-04
- Inventor: Maria M. Kapuscinski , Benjamin J. Kaufman , Theodore E. Nalesnik , Robert T. Biggs
- Applicant: Maria M. Kapuscinski , Benjamin J. Kaufman , Theodore E. Nalesnik , Robert T. Biggs
- Applicant Address: NY White Plains
- Assignee: Texaco Inc.
- Current Assignee: Texaco Inc.
- Current Assignee Address: NY White Plains
- Main IPC: C08F8/32
- IPC: C08F8/32 ; C08F255/02 ; C08F255/04 ; C10M143/02 ; C10M151/02 ; C10M151/00
Abstract:
Multifunctional viscosity index improvers for lubricating oils containing an EPM or EPDM polymer onto which has been grafted with an unsaturated reactive monomer and thereafter reacted with amino alkylphenothiazine.
Public/Granted literature
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Information query
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