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. 19, 2018
Filed:
Aug. 17, 2012
Applicants:
Joseph P. Hartley, Oxford, GB;
Jonathan P. Flemming, Oxford, GB;
Inventors:
Joseph P. Hartley, Oxford, GB;
Jonathan P. Flemming, Oxford, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 135/18 (2006.01); F01M 3/04 (2006.01);
U.S. Cl.
CPC ...
C10M 135/18 (2013.01); F01M 3/04 (2013.01); C10M 2205/026 (2013.01); C10M 2219/068 (2013.01); C10N 2230/06 (2013.01); C10N 2230/36 (2013.01); C10N 2230/42 (2013.01); C10N 2230/43 (2013.01); C10N 2230/45 (2013.01); C10N 2240/10 (2013.01); C10N 2240/102 (2013.01); C10N 2240/104 (2013.01); C10N 2240/105 (2013.01);
Abstract
An automotive lubricating oil composition for an internal combustion engine comprises (A) an oil of lubricating viscosity in a major amount; and (B) an oil-soluble zinc dithiocarbamate as an additive component in a minor amount in which each of the two amino groups is substituted with an aryl group and with either another aryl group, an aliphatic group or a hydrogen atom, the composition having not greater than 1600 ppm by mass of phosphorus, expressed as phosphorous atom.