The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2003
Filed:
Sep. 20, 2001
Applicant:
Inventors:
Assignee:
Infineum International Ltd., , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
C10M / ; C10M / ;
Abstract
A lubricant suitable for use in a trunk piston diesel engine characterised by a power output of 200 kW or greater. The trunk piston diesel engine may be for use in marine, power generation or rail traction applications. The lubricant comprises a basestock of lubricating viscosity, an overbased metal detergent, preferably having an ash content of at least 0.85% sulfated ash, and an ashless or metal-free auxiliary additive comprising at least one of: an oil-soluble sulfurized alkylphenol, a phosphorosulfurized or sulfurized hydrocarbon, a sulfide of an oil, a fat or a polyolefin, or an amine phosphate.