Additives for lubricating oils and processes for producing them

Details Additives for lubricating oils and processes for producing them Additives for lubricating oils and processes for producing them

1990-09-05

1992-02-18

Hearn, Brian E.

Compositions

Electrolytes for electrical devices

252 25, 564177, C07C 6300, C10M12959

Patent

active

050891588

ABSTRACT:
The invention provides oil-soluble multivalent metal ion salts of a compound of the formula XNR.sup.1 R.sup.2, in which R.sup.1 and R.sup.2 are the same or different and each are selected from hydrogen and hydrocarbon based radicals having from 1 to 30 carbon atoms, X is an acyl radical of an aromatic ortho-hydroxy carbozxyic acid having a ring substituent which is a hydrocarbon based radical having at least 4 carbon atoms, a process for their preparation, and their use, as additives, in lubricating oils.

REFERENCES:
patent: 2848418 (1958-08-01), Miller et al.
patent: 2959550 (1960-11-01), Young et al.
patent: 4090971 (1978-05-01), Hoke
patent: 4795832 (1989-01-01), Leinen

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