Method of overbasing with a hydroxy sulfonic acid copromoter

Details Method of overbasing with a hydroxy sulfonic acid copromoter Method of overbasing with a hydroxy sulfonic acid copromoter

1990-09-18

1992-04-28

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252 33, 562 41, 562 42, 562111, C10M13510

Patent

active

051086310

ABSTRACT:
Overbased salt compositions are formed by reacting a hydreocarbyl substituted sulfonic acid or salt thereof with a basic neutralizing agent, in the presence of a hydroxy sulfonic acid or salt thereof. The overbased salt composition is preferably overbased by casrbonating via CO.sub.2 bubbling. Mixed overbased salts and compositions containing the mixed salts are disclosed as well as lubricating compositions containing such salts. The lubricating compositions have particularly good clarity.

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