Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Compound of indeterminate structure – prepared by reacting a...
Patent
1998-03-24
1999-04-27
Howard, Jacqueline V.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Compound of indeterminate structure, prepared by reacting a...
508239, 508455, 508501, C10M12968
Patent
active
058980237
ABSTRACT:
A lube oil composition that inhibits lubricant viscosity increase and dispersancy decrease is described. The composition includes an oil of lubricating viscosity and a mixture of specified functionalized derivatives of pentaerythritol tetrakis 3-mercaptopropionate and amine antioxidants.
REFERENCES:
patent: 5200101 (1993-04-01), Hsu et al.
Maleville, X, et al., Lubrication Science 9-1, Nov. 1996, (p. 3-60) "Oxidation of Mineral Base Oils of Petroleum Origin: The Relationship between Cehmical Composition, Thickening and Composition of Degradation Products".
Mirzoyeva, M. A., et al., S-Substituted Mercaptacetic Esters as Anticorrosion Additives to Lubricating Oils, (1988) (p. 245-252).
Francisco Manuel A.
Fyfe Kim E.
Gao Jason Z.
Exxon Research and Engineering Co.
Howard Jacqueline V.
Toomer Cephia D.
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