Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heterocyclic ring compound; a heterocyclic ring is one...
Patent
1996-09-05
1997-10-07
McAvoy, Ellen M.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Heterocyclic ring compound; a heterocyclic ring is one...
508375, 508377, 508424, 508443, 508444, C10M14110
Patent
active
056748205
ABSTRACT:
This invention relates to a composition, comprising: (A) a compound represented by the formula ##STR1## wherein in Formula (A-I), R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrocarbyl groups, X.sup.1 and X.sup.2 are independently O or S, and n is zero to 3; and (B) an acylated nitrogen-containing compound having a substituent of at least 10 aliphatic carbon atoms, In one embodiment, the inventive composition further comprises (C) a second phosphorus compound other than (A), said second phosphorus compound being a phosphorus acid, phosphorus acid ester, phosphorus acid salt, or derivative thereof, In one embodiment, the inventive composition further comprises (D) an alkali or alkaline earth metal salt of an organic sulfur acid, carboxytic acid or phenol. In one embodiment, the inventive composition further comprises (E) a thiocarbamate. These compositions are useful in providing lubricating compositions and functional fluids with enhanced antiwear properties.
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Abraham William D.
Manka John S.
Roby Stephen H.
Supp James A.
Tipton Craig D.
Connors William J.
Hunter Frederick D.
McAvoy Ellen M.
The Lubrizol Corporation
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