C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/00 (2006.01) C10M 133/04 (2006.01) C10M 137/10 (2006.01) C10M 141/12 (2006.01) C10M 163/00 (2006.01) C10M 167/00 (2006.01)
Patent
CA 2188362
A functional fluid composition having improved gear performance comprises an oil of lubricating viscosity, and added thereto (a) an alkali or alkaline earth metal salt complex in the form of borated and/or non-borated salts; (b) an EP/antiwear agent comprising a mixture of zinc salts of dialkylphosphorodithioic acid and 2-ethylhexanoic acid heated with triphenyl phosphite or an olefin; and (c) a borated epoxide. The oil of lubricating viscosity has a kinematic viscosity of at least 4 cSt and 100°C and a -40°C Brookfield viscosity of less than 20,000.
Gapinski Richard E.
Stoffa John V.
Ridout & Maybee Llp
The Lubrizol Corporation
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