Lubricant compositions

Details Lubricant compositions Lubricant compositions

1990-05-14

1991-08-06

Willis, Prince E.

Compositions

Electrolytes for electrical devices

252 34, 544213, 544219, C10M13342, C10M13502

Patent

active

050375687

ABSTRACT:
The present invention provides a lubricant composition comprising a lubricating oil and, as multifunctional additive, at least one compound having the formula I: ##STR1## or amine salts thereof; wherein R.sub.1 and R.sub.2, independently, are hydrogen or methyl; n and m, independently, are 0 or 1; and X is SR.sub.3 or NR.sub.4 R.sub.5 wherein R.sub.3 is C.sub.12 -C.sub.20 linear or branched alkyl R.sub.4 and R.sub.5 are independently, C.sub.8 -C.sub.20 linear or branched alkyl provided that those compounds of formula I are excluded in which m and n are each 0, X is S-C.sub.8 -C.sub.20 linear or branched alkyl and R.sub.1 and R.sub.2 are as defined.

REFERENCES:
patent: 2836564 (1958-05-01), Roberts et al.
patent: 3156690 (1964-11-01), Dexter et al.
patent: 3642630 (1972-02-01), MacPhail et al.
patent: 3819574 (1974-06-01), Brown et al.
patent: 3974162 (1976-08-01), Santilli et al.
patent: 4038197 (1977-07-01), Caspari
patent: 4931196 (1990-06-01), Payne et al.

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