C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 135/10 (2006.01) C10M 129/26 (2006.01) C10M 129/92 (2006.01) C10M 141/08 (2006.01)
Patent
CA 2217851
A composition and a method for reducing rust in machines using lubricating oils by employing a lubricating oil formulation comprising a major amount of a base oil stock having a viscosity in the ISO 10 to 1500 grades range and a minor amount of an additive comprising a metal synthetic alkylated aryl sulfonate and aliphatic substituted succinic anhydride or acid. The formulation exhibits a high level of rust inhibiting performance, while not adversely affecting any other desirable lubricating oil properties.
On décrit une composition et un procédé de réduction de la rouille dans les machines utilisant des huiles lubrifiantes. On fait appel à une formulation d'huile lubrifiante composée en majeure partie d'huile de base présentant une viscosité ISO de 10 à 1500, en plus petite partie, d'un additif comprenant un sulfonate arylique alkylé synthétique métallique et un anhydride ou un acide succinique substitué aliphatique. La formulation est très active pour inhiber la rouille, sans que les autres qualités lubrifiantes recherchées soient modifiées.
Borden Ladner Gervais Llp
Exxon Research & Engineering Company
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