Invention Grant
- Patent Title: Lubricants with good TBN retention
- Patent Title (中): 具有良好TBN保留性能的润滑剂
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Application No.: US13984288Application Date: 2012-02-15
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Publication No.: US09528068B2Publication Date: 2016-12-27
- Inventor: Mark C. Davies , Stephen J. Cook , Alexandra Mayhew
- Applicant: Mark C. Davies , Stephen J. Cook , Alexandra Mayhew
- Applicant Address: US OH Wickliffe
- Assignee: The Lubrizol Corporation
- Current Assignee: The Lubrizol Corporation
- Current Assignee Address: US OH Wickliffe
- Agent David M. Shold, Esq.; Teresan W. Gilbert, Esq.
- International Application: PCT/US2012/025203 WO 20120215
- International Announcement: WO2012/112658 WO 20120823
- Main IPC: C10M169/04
- IPC: C10M169/04 ; C10M139/00 ; C10M159/24 ; C10M141/08 ; C10M163/00
Abstract:
A lubricant composition containing a metal-containing detergent in an amount to provide at least about 2 TBN to the lubricant, and a dispersant comprising an oleophilic portion comprising at least about 40 carbon atoms and an acid-bearing portion, characterized in having a TAN:TBN ratio of at least about 0.8, exhibits good TBN retention.
Public/Granted literature
- US20150045268A1 Lubricants with Good TBN Retention Public/Granted day:2015-02-12
Information query
IPC分类:
