Patents Assigned to Shell International Research Maatschappij B.J.
  • LUBRICATING COMPOSITION
    Publication number: 20110301068
    Abstract: A lubricating composition comprising a base oil and one or more additives, wherein the composition has: a sulphated ash content (according to ASTM D 874) of at least 0.1 wt. % and at most 0.60 wt. %, preferably at most 0.55 wt. %, more preferably at most 0.50 wt. %; and a total base number (TBN) value (according to ASTM D 2896) of at least 8.0 mg KOH/g and at most 15.0 mg KOH/g.
    Type: Application
    Filed: January 28, 2010
    Publication date: December 8, 2011
    Applicant: Shell International Research Maatschappij B.J.
    Inventors: Claudio Cocco, Jose Luis Garcia Ojeda