Lubricating oil compositions containing a polyoxyalkylene carbox

Details Lubricating oil compositions containing a polyoxyalkylene carbox Lubricating oil compositions containing a polyoxyalkylene carbox

1992-02-12

1993-10-05

Johnson, Jerry D.

Compositions

Electrolytes for electrical devices

252 34, 252 35, 252 38, 252 39, 252 40, 252 41, C10M12932, C10M12940, C10M12966, C10M12993

Patent

active

052502031

ABSTRACT:
Oil based compositions are disclosed which are comprised of oil having a multi-functional additive component therein. The additive component is present in sufficient amounts so as to provide improved performance characteristics to the composition such as water tolerance and antiwear characteristics. The additive is a compound represented by the general structural formula (I): ##STR1## wherein R is a hydrocarbyl, preferably iso-stearyl, R.sub.1, R.sub.2, and R.sub.3 are independently hydrogen or alkyl, preferably hydrogen, n is 1 to 20, preferably 5, and X is a cation, preferably Ca. Overbased and mixed salts of the additive compound are also disclosed. The additive is an effective EP agent, water tolerance fix in a variety of functional fluids and lubricating compositions.

REFERENCES:
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patent: 4784781 (1988-11-01), Denis
patent: 4954273 (1990-09-01), Denis et al.
Swalkeer and Smith, "Lubricant Additives", 1967, pp. 1-11.

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