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:
Jun. 27, 1989
Filed:
Feb. 03, 1987
Applicant:
Inventor:
Adrian Dunn, Faringdon, GB;
Assignee:
Exxon Chemical Patents Inc., Linden, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 / ; 252 427 ;
Abstract
Marine diesel cylinder lubricant composition comprising a major amount of an oil of lubricating viscosity and a borated dispersant; one or more overbased metal compounds and a zinc dialkyl dithiophosphate wherein the boron content of the oil is from 0.01 to 0.016 wt %, the zinc content of the oil is from 0.02 to 0.023 wt % and the TBN is at least, 60 given surprising wear results particular in cylinder liner and piston ring wear.