C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 141/02 (2006.01) C10M 103/00 (2006.01) C10M 107/52 (2006.01) C10M 125/26 (2006.01) C10M 141/08 (2006.01) C10M 141/10 (2006.01) C10M 163/00 (2006.01)
Patent
CA 2402956
Disclosed are lubricant compositions comprising a dispersed hydrated alkali metal borate, a polyalkylene succinic dispersant selected from a polyalkylene succinic anhydride, a mixture of polyalkylene succinic anhydrides or derivatives thereof, and a metal salt of a polyisobutenyl sulfonate. Also disclosed are methods for improving the water tolerance of a lubricant composition and methods for preparing such lubricants comprising a dispersed hydrated alkali metal borate and a dispersant mixture.
On présente des lubrifiants renfermant un borate hydraté dispersé de métal alcalin , un dispersant succinique de polyalcalène sélectionné à partir d'un anhydride succinique de polyalcalène, un mélange d'anhydrides succiniques de polyalcalènes ou leurs dérivés, et un sel métallique d'un sulfonate de polyisobutényle. De plus, on divulgue des méthodes permettant d'accroître la tolérance à l'eau d'un lubrifiant ainsi que des méthodes pour préparer de tels lubrifiants, méthodes faisant appel à un borate hydraté dispersé de métal alcalin ainsi qu'à un mélange dispersant.
Harrison James J.
Nelson Kenneth D.
Chevron Oronite Company Llc
Sim & Mcburney
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