Patents Assigned to The Lubizol Corporation
  • Lubricants with Good TBN Retention
    Publication number: 20150045268
    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.
    Type: Application
    Filed: February 15, 2012
    Publication date: February 12, 2015
    Applicant: The Lubizol Corporation
    Inventors: Mark C. Davies, Stephen J. Cook, Alexandra Mayhew