Multiple metal corrosion inhibitor

Details Multiple metal corrosion inhibitor Multiple metal corrosion inhibitor

C - Chemistry, Metallurgy

10

M

C10M 133/44 (2006.01) C10M 139/00 (2006.01) C10M 141/12 (2006.01)

Patent

CA 2673613

Subject matter of the present invention is a lubricant composition comprising a) A lubricant; b) A triazole metal deactivator; c) A borate ester; and, optionally, d) An amine phosphate. The invention allows for the formulation of engine lubricants that can protect copper, lead, iron and zinc from corrosion for the life of the lubricant.

La présente invention concerne une composition lubrifiante comprenant a) un lubrifiant ; b) un désactivateur métallique triazole ; c) un ester de borate ; et éventuellement, d) un phosphate d'amine. L'invention permet la formulation de lubrifiants pour moteur qui peuvent protéger le cuivre, le plomb, le fer et le zinc de la corrosion pendant la durée de vie du lubrifiant.

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