Patent Number: 6,251,840

Title: Lubrication fluids for reduced air entrainment and improved gear protection

Abstract: A lubricating/functional fluid composition which exhibits in use improved antiwear and antifoaming properties. The improvements result from use of 2,5-dimercapto-1,3,4-thiadiazole and derivatives thereof together with silicone and/or fluorosilicone antifoam agents.

Inventors: Ward, Jr.; William C. (Perry, OH), Tipton; Craig D. (Perry, OH), Murray; Kathleen A. (Euclid, OH)

Assignee: The Lubrizol Corporation

International Classification: C10M 169/00 (20060101); C10M 169/04 (20060101); C10M 161/00 (20060101); C10M 125/24 (); C10M 133/38 ()

Expiration Date: 06/26/2018