Chlorine-free silver protective lubricant composition (i)

Details Chlorine-free silver protective lubricant composition (i) Chlorine-free silver protective lubricant composition (i)

C - Chemistry, Metallurgy

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C10M 133/16 (2006.01) C07D 249/14 (2006.01) C10M 133/20 (2006.01) C10M 133/22 (2006.01) C10M 133/44 (2006.01) C10M 133/46 (2006.01) C10M 135/16 (2006.01) C10M 141/08 (2006.01) C10M 163/00 (2006.01) C10M 167/00 (2006.01)

Patent

CA 1305125

CHLORINE-FREE SILVER PROTECTIVE LUBRICANT COMPOSITION (I) Abstract of the Invention A lubricating composition, preferably essentially free of zinc dihydrocarbyldithiophosphate compounds, and optionally free of chlorine containing silver lubricity agents, comprising a major proportion of an oil of lubri- cating viscosity and a minor amount of a silver protective agent comprising the reaction product of a C5 to C60 car- boxylic acid and at least one amine selected from the group consisting of (1) guanidine, urea, and thiourea com- pounds; (2) C1 to C20 hydrocarbyl or hydroxy-substituted hydrocarbyl mono-amines, alkylene diamines, and (3) polyalkylene polyamines; and N-alkyl glycine.

578535

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