Title:
LUBRICANTS WITH GOOD TBN RETENTION
Document Type and Number:
WIPO Patent Application WO/2012/112658
Kind Code:
A8
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.
Inventors:
DAVIES MARK C (GB)
COOK STEPHEN (GB)
MAYHEW ALEXANDRA (GB)
COOK STEPHEN (GB)
MAYHEW ALEXANDRA (GB)
Application Number:
PCT/US2012/025203
Publication Date:
November 08, 2012
Filing Date:
February 15, 2012
Export Citation:
Assignee:
LUBRIZOL CORP (US)
DAVIES MARK C (GB)
COOK STEPHEN (GB)
MAYHEW ALEXANDRA (GB)
DAVIES MARK C (GB)
COOK STEPHEN (GB)
MAYHEW ALEXANDRA (GB)
International Classes:
C10M163/00
Attorney, Agent or Firm:
SHOLD, David M. et al. (Patent Dept./052A29400 Lakeland Blvd, Wickliffe Ohio, US)
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