Liquid extreme pressure additive

C - Chemistry – Metallurgy – 10 – M

Patent

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Details

C10M 159/12 (2006.01) C10M 135/36 (2006.01) C10M 169/06 (2006.01)

Patent

CA 2713883

A liquid extreme pressure agent for use in lubricating compositions where the lubricating compositions comprise an oil of lubricating viscosity and the reaction product of: (a) a thiazole; (b) a composition comprising a carboxylic acid, a phosphorus containing acid or salt, or combinations thereof; and (c) an amine containing one or more branched hydrocarbyl groups. The invention also provides an additive composition comprising the reaction product described above and a process for making lubricating compositions, including greases, from the reaction product.

La présente invention concerne un agent liquide extrême pression destiné à être utilisé dans des compositions lubrifiantes, les compositions lubrifiantes comprenant une huile de viscosité lubrifiante et le produit réactionnel de : (a) un thiazole; (b) une composition comprenant de lacide carboxylique, un phosphore contenant un acide ou un sel, ou des combinaisons de ceux-ci; et (c) une amine contenant un ou plusieurs groupes hydrocarbyle ramifiés. Linvention concerne également une composition dadditif comprenant le produit réactionnel décrit ci-dessus et un procédé de fabrication de compositions lubrifiantes, comprenant des graisses, à partir du produit réactionnel.

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