Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Organic compound containing boron
Patent
1997-12-18
1999-03-23
Medley, Margaret
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Organic compound containing boron
558295, 558287, C10M13506, C10M13900
Patent
active
058859438
ABSTRACT:
Sulfur-containing boroester compounds useful as antiwear additives for oleaginous compositions including alicyclic borate thioesters having the general formula (I): ##STR1## wherein R.sub.1 is a hydrocarbyl radical having 4 to 12 carbon atoms, R.sub.2 and R.sub.3 are independently selected from --(OR.sub.4).sub.n SR.sub.1 and --(OR.sub.4).sub.n SR.sub.1 OH; R.sub.4 is a hydrocarbyl radical having 1 to 6 carbon atoms; n is an integer of from 1 to 4; and l and m are independently 0, 1 or 2; thioalkyl-substituted cyclic meta borate esters having the general formula (II): ##STR2## wherein n, R.sub.1 and R.sub.4 are defined as in formula (I); and mixtures of the alicyclic compounds of formula (I) and the cyclic compounds of formula (II).
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Bloch Ricardo A.
Nibert Roger K.
Puckace James S.
Ryer, deceased Jack
Watts Raymond F
Exxon Chemical Patents Inc.
Medley Margaret
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