C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 69/33 (2006.01) C07C 67/56 (2006.01) C07C 69/28 (2006.01) C07C 69/30 (2006.01)
Patent
CA 2274379
The electrical resistivity of hindered 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.
Cognis Corporation
Henkel Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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