Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 16, 2010
Patent Application Number
12029344
Date Filed
February 11, 2008
Patent Primary Examiner
Patent abstract
The present application is directed to a lubricant composition comprising a major amount of a base oil; and a lead corrosion inhibiting amount of a reaction product of a hydrocarbyl carbonyl compound and an amine compound chosen from guanidines, ureas and thioureas; with the proviso that the lubricant is essentially free of zinc dialkyldithiophosphate wear inhibitors, and substantially free of chlorinated paraffins and calcium mannich phenate.
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