Phosphite treatment of phosphorus acid salts and compositions pr

Details Phosphite treatment of phosphorus acid salts and compositions pr Phosphite treatment of phosphorus acid salts and compositions pr

1979-06-11

1981-04-21

Sneed, Helen M. S.

Compositions

Electrolytes for electrical devices

252 327R, 260429K, 260429R, 2604297, 2604299, 260430, 260431, 260435R, 2604381, 260439R, 260448R, C10M 148, C10M 342, C10M 524, C10M 746

Patent

active

042631505

ABSTRACT:
The properties of salts of dialkylphosphorodithioic acids are improved by treating said salts or their acid precursors with phosphites, especially triaryl phosphites. This process reduces the tendency of the salts to stain and corrode metal parts, especially copper parts, when incorporated in lubricants and functional fluids. The process may also be used to treat mixed metal salts of dialkylphosphorodithioic and carboxylic acids.

REFERENCES:
patent: 3361667 (1968-01-01), Wenborne et al.
patent: 3489682 (1970-01-01), Lesuer
patent: 4158633 (1979-06-01), Papay

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