Rust inhibitor for mono- or polyurea greases

Details Rust inhibitor for mono- or polyurea greases Rust inhibitor for mono- or polyurea greases

C - Chemistry, Metallurgy

10

M

253/100

C10M 169/06 (2006.01)

Patent

CA 1063591

ABSTRACT OF THE DISCLOSURE RUST INHIBITOR FOR MONO- OR POLYUREA GREASES An improved grease composition is disclosed and comprises a novel combination of a Mannich base, a poly- or monourea thickener and an alkaline earth metal carbonate or carboxylate within a lubricating oil. The Mannich base is prepared by reacting formaldehyde, alkylphenol and an amine selected from dialkanolamine, N,N-dialkanol, alkylenediamine andalkylamine.

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