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:
May. 24, 2016
Filed:
Nov. 28, 2011
Applicants:
Robert W. Shaw, Abingdon, GB;
James L. Head, Oxford, GB;
Marco Corradi, Oxford, GB;
Shamsedin Rostami, Oxford, GB;
Inventors:
Robert W. Shaw, Abingdon, GB;
James L. Head, Oxford, GB;
Marco Corradi, Oxford, GB;
Shamsedin Rostami, Oxford, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 159/22 (2006.01); C07C 51/15 (2006.01); C10M 129/54 (2006.01); B01D 19/04 (2006.01); C10M 133/06 (2006.01); C10M 169/04 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C10M 2207/262 (2013.01); C10M 2215/064 (2013.01); C10M 2223/045 (2013.01); C10N 2230/08 (2013.01); C10N 2230/10 (2013.01); C10N 2230/42 (2013.01); C10N 2230/43 (2013.01); C10N 2230/45 (2013.01); C10N 2240/10 (2013.01);
Abstract
A low sulphated ash lubricating oil composition comprises an ashless aromatic amine antioxidant and an overbased magnesium detergent which exhibits improved thermal oxidation stability.