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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven P. Rucker0
Abhimanyu O. Patil0
Jacob J. Habeeb0
Michael E. Landis0
Date of Patent
August 2, 2011
Patent Application Number
11901677
Date Filed
September 18, 2007
Patent Primary Examiner
Patent 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.
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