Borated detergent additive by an improved process

Details Borated detergent additive by an improved process Borated detergent additive by an improved process

1989-04-21

1990-10-23

Chaudhuri, Olik

Compositions

Electrolytes for electrical devices

252 39, 252 41, 252 32, 252 334, C10M10572

Patent

active

049650033

ABSTRACT:
A process for preparing a borated, overbased metal detergent additive for lubricants which comprises dissolving a metal salt in a hydrocarbon solvent, adding a metal base and a polar solvent, treating with an acid gas, filtering the mixture to form a filtrate to which boric acid is added, heating the boric acid/filtrate mixture, stripping the cooled boric acid/filtrate reaction mixture and recovering the borated metal detergent additive therefrom.

REFERENCES:
patent: 3480548 (1969-11-01), Hellmuth
patent: 3679584 (1972-07-01), Hellmuth
patent: 3829381 (1974-08-01), Le Suer
patent: 3907691 (1975-09-01), King
patent: 3929650 (1975-12-01), King
patent: 4539126 (1985-09-01), Bleeker
patent: 4566489 (1985-12-01), Muir
patent: 4683126 (1987-07-01), Inoue

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