C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 105/32 (2006.01) C07C 67/56 (2006.01) C07C 69/28 (2006.01) C07C 69/30 (2006.01) C07C 69/33 (2006.01) C10M 105/38 (2006.01) C10M 105/42 (2006.01) C10M 105/44 (2006.01) C10M 171/00 (2006.01)
Patent
CA 2191108
The electrical resistivity of bindered polyol ester lubricants can be raised to very high levels by treating the lubricants with activated alumina, preferably after the acid values of the lubricants treated have already been reduced to low levels by conventional refining with alkali or other acid scavengers.
La résistivité électrique de lubrifiants à base d'esters de polyols inhibés peut être augmentée jusqu'à des niveaux très élevés par le traitement des lubrifiants avec de l'alumine activée, de préférence après avoir diminué à des niveaux bas l'indice d'acide des lubrifiants traités, par un raffinage conventionnel utilisant des alcalis ou d'autres substances réagissant avec les acides.
Henkel Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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