Process of preparing lubricating oil additive containing tungste

Details Process of preparing lubricating oil additive containing tungste Process of preparing lubricating oil additive containing tungste

1980-06-16

1981-11-03

Metz, Andrew

Compositions

Electrolytes for electrical devices

423 54, C10M 110, C10M 154

Patent

active

042984858

ABSTRACT:
A lubricating oil additive is produced by contacting an aqueous slurry of ammonium paratungstate with an organic phase comprising a major proportion by weight tertiary alkyl amines having the formula C.sub.n H.sub.2n+1 NH.sub.2, where n is from 18 to 22, to extract the tungsten into the organic phase from the aqueous phase while solid ammonium paratungstate is being solubilized into the aqueous phase. The aqueous phase is heated to drive off water so as to form the resulting lubricating oil additive.

REFERENCES:
patent: 3052516 (1962-09-01), Drobnick et al.
patent: 3158438 (1964-11-01), Kurtak
patent: 3290245 (1966-12-01), Elliott et al.
patent: 3316058 (1967-04-01), Chaney

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