Non-foaming detergent-dispersant additives for lubricating oils

Details Non-foaming detergent-dispersant additives for lubricating oils Non-foaming detergent-dispersant additives for lubricating oils

1985-05-20

1988-08-16

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

252 18, 252 33, 252 334, 252 39, 252 407, C10M12900, C10M13500

Patent

active

047642955

ABSTRACT:
Disclosed are detergent-dispersant additives for lubricating oils that are made by contacting an alkylarylsulfonic acid with an alkaline earth base in the presence of an alcohol having a boiling point in excess of 80.degree. C., water, chloride ions and preferably a C.sub.1 -C.sub.4 carboxylic acid. The products may be made more basic by carbonation. The disclosed additives, when not carbonated, have a TBN up to about 40 and, when carbonated, have a TBN of up to about 100.

REFERENCES:
patent: 4086170 (1978-04-01), De Clippelier et al.
patent: 4137186 (1979-01-01), Sabol
patent: 4192758 (1980-03-01), Dickey et al.
patent: 4252659 (1981-02-01), Ali
patent: 4306983 (1981-12-01), Allain

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