Preparation of phosphorus-containing acids and salts

Details Preparation of phosphorus-containing acids and salts Preparation of phosphorus-containing acids and salts

1977-06-29

1978-09-26

Vaughn, Irving

Compositions

Electrolytes for electrical devices

252 466, 252400A, 424224, C10M 148, C10M 342, C10M 524, C10M 746

Patent

active

041168712

ABSTRACT:
Phosphorus-containing acids and salts are prepared by heating a mixture of
(A) an acid of the formula ##STR1## where R is alkyl, with (B) an acid of the formula ##STR2## where R.sup.1 is aryl, for 3 to 10 hours at 55.degree. to 95.degree. C to form a mixture of acids (A) and (B) and an acid of the formula ##STR3## and optionally neutralizing to a salt to be used in lubricating oil.

REFERENCES:
patent: 2526497 (1950-10-01), Mikeska
patent: 2565920 (1951-08-01), Hook et al.
patent: 2838555 (1958-06-01), Goldsmith
patent: 3004916 (1961-10-01), Ertelt
patent: 3423316 (1969-01-01), Dickert et al.
patent: 3595792 (1971-07-01), Elliott et al.
patent: 3742099 (1973-06-01), Colclough et al.

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