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. 10, 2015
Filed:
Feb. 26, 2013
Applicant:
Infineum International Limited, Abingdon, GB;
Inventor:
James C. Dodd, Didcot, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 159/22 (2006.01); F02B 43/00 (2006.01); F02B 47/00 (2006.01); F02M 25/00 (2006.01); C10M 129/54 (2006.01); C10M 169/04 (2006.01);
U.S. Cl.
CPC ...
C10M 129/54 (2013.01); C10M 169/045 (2013.01); C10M 2203/1006 (2013.01); C10M 2207/262 (2013.01); C10N 2230/04 (2013.01); C10N 2240/102 (2013.01); C10M 2203/1025 (2013.01); C10M 2205/0285 (2013.01);
Abstract
A lubricant additive comprising an overbased metal hydrocarbyl-substituted hydroxybenzoate detergent dispersed in a diluent comprising 10 mass % or more of a basestock containing greater than or equal to 90% saturates and less than or equal to 0.03% sulphur is blended, in a minor amount, with an oil of lubricating viscosity, in a major amount, to give a trunk piston marine engine lubricating oil composition for a medium-speed four-stroke compression-ignited marine engine.