Dithiocarbamoyl diols and borate esters thereof for use in lubri

Details Dithiocarbamoyl diols and borate esters thereof for use in lubri Dithiocarbamoyl diols and borate esters thereof for use in lubri

1992-03-13

1996-10-01

Medley, Margaret

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Silicon dioxide, silicic acid, orthosilicate, or...

558291, 558294, 558295, 558296, 558234, 558236, 558239, 508194, C10M13900, C10M13518

Patent

active

055608531

ABSTRACT:
A borate ester having the formula ##STR1## wherein Y is N, S or O, X is O or S, R.sup.1 and R.sup.2 are, independent of one another, selected from the group consisting of H, (C.sub.1 -C.sub.40)hydrocarbon residues and (C.sub.3 -C.sub.50)cycloalkyl, aryl and aralkyl, each of which may further contain N, O or S, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are independent of one another, selected from the group consisting of H and (C.sub.1 -C.sub.8)hydrocarbon residues, n is 0 to 4. An anti-wear/anti-oxidant/anti-friction/anti-rust additive comprises the borate ester of the invention when added to a lubricating oil.

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