Process of overbasing a salicylic ester and product thereof

Details Process of overbasing a salicylic ester and product thereof Process of overbasing a salicylic ester and product thereof

1995-10-19

1997-07-29

Johnson, Jerry D.

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic -co- compound

C10M15922

Patent

active

056522037

ABSTRACT:
A process for the preparation of a lubricating oil additive composition is described were an aromatic carboxylic ester is subjected to ring alkylation with an olefin, reacted with the oxide or hydroxide or an alcoholate of a divalent metal and carbon dioxide with the removal of formed water and/or an alcohol from the reaction mixture. A lubricating oil additive composition obtained by the process, and a lubricating oil composition containing the same is also described. The lubricating oil additive provides excellent oxidation stability, low susceptibility to carbonization and cleanability as compared with the conventional, commercially-available additives.

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