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:
Aug. 02, 2011
Filed:
Sep. 18, 2007
Jacob J. Habeeb, Westfield, NJ (US);
Steven P. Rucker, Warren, NJ (US);
Michael E. Landis, Mullica Hill, NJ (US);
Abhimanyu O. Patil, Westfield, NJ (US);
Jacob J. Habeeb, Westfield, NJ (US);
Steven P. Rucker, Warren, NJ (US);
Michael E. Landis, Mullica Hill, NJ (US);
Abhimanyu O. Patil, Westfield, NJ (US);
ExxonMobil Research and Engineering Company, Annandale, NJ (US);
Abstract
The present invention is directed to lubricating oils exhibiting improved resistance to oxidation and deposit/sludge formation comprising a lubricant base oil and an effective amount of a catalytic antioxidant comprising one or more polymetal organometallic compound, to a method for improving the antioxidancy and the resistance to deposit/sludge formation of formulated lubricating oil compositions by the addition thereto of an effective amount of the aforementioned polymetal organometallic compound, and to an additive concentrate containing the aforementioned polymetal organometallic compound.