Lubricating oil additives

Details Lubricating oil additives Lubricating oil additives

1988-08-17

1991-12-03

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 56R, C10M15922

Patent

active

050698044

ABSTRACT:
Improved stability of overbased phenates, particularly when formulated with overbased sulphonates, as well as improved foaming tendency and viscosity is obtained by treating 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 C.sub.10 to C.sub.24 unbranched segment, e.g. behenic acid.

REFERENCES:
patent: 3372116 (1968-03-01), Meinhardt
patent: 3410798 (1968-11-01), Cohen
patent: 4049560 (1977-09-01), Dominey
patent: 4328111 (1982-05-01), Watson et al.

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