Lubricating oil composition

Application Number: 00108885
Application Date: 2000.04.17
Publication Number: 1270997
Publication Date: 2000.10.25
Priority Information: 1999/4/17 GB 9908771.0
International: C10M133/04;C10M135/00
Applicant(s) Name: Enfenorm International Co.
Inventor(s) Name: A. Dengen
Patent Agency Code: 11038
Patent Agent: huang zexiong
Abstract A lubricating oil composition for a marine diesel engine comprises a major amount of an oil of lubricating viscosity and minor amounts of (a) an oil-soluble ashless dispersant (b) an oil-soluble overbased metal detergent whose surfactant system is derived from one or more surfactants, said one surfactant being a salicylate, such as at least two different surfactants; and (c1) a first oil-soluble anti-oxidant being sulfur-containing or phenolic or both, and/or (c2) an oil-soluble aromatic amine anti-oxidant.