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Lubricant Oils and Greases Containing Nanoparticle Additives

Abstract: 

Lubricant oil and grease composition containing an additive package comprising wear-resistant additives in the form of nanoparticles, wherein the additives are a carbonate selected from the group consisting of a carbonate of a Group 1a alkali metal and a carbonate of a Group 2a alkaline earth metal, a sulfate of a Group 1a alkali metal or a Group 2a alkaline earth metal, a phosphate of a Group 1a alkali metal or Group 2a alkaline earth metal, a carboxylate of a Group 1a alkali metal and a carbonate of a Group 2a alkaline earth metal, or a combination thereof.

Patent Number: 
8,507,415
Date Of Issue: 
08/13/2013
Inventors: 

John A. Waynick