Process for the preparation of additives for lubricating oils

Details Process for the preparation of additives for lubricating oils Process for the preparation of additives for lubricating oils

1976-12-15

1978-07-11

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

C10M 154, C10M 348, C10M 528, C10M 752

Patent

active

041000854

ABSTRACT:
In a process for the preparation of detergent additives for lubricant oils, of the type in which an alkylphenolsulfide is neutralized with an oxygen containing compound of an alkaline earth metal and carbonated with carbon dioxide, the process and particularly the neutralization step is carried out in the presence of a promotor selected from NH.sub.3 and NH.sub.4 OH and a co-promoter which is a short chain alcohol having not more than 5 carbon atoms.

REFERENCES:
patent: 3178368 (1965-04-01), Hanneman
patent: 3827979 (1974-08-01), Piotrowski et al.
patent: 3865737 (1975-02-01), Kemp

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