Lubricating oil additives

Details Lubricating oil additives Lubricating oil additives

C - Chemistry, Metallurgy

10

M

253/90

C10M 135/02 (2006.01) C10M 159/22 (2006.01) C10M 163/00 (2006.01)

Patent

CA 1207313

ABSTRACT LUBRICATING OIL ADDITIVES Improved stability of overbased phenates, particularly when formulated with overbased sulphonates, as well as improved foaming tendency and viscosity is obtained by treated the overbased phenate, either during or subsequent to the overbasing process, with from 0.1 to 10 wt.%, preferably 2 to 6 wt.%, of a carboxylic acid with a C10 to C24 unbranched segment, e.g. behenic acid.

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