Lubricating compositions with improved antioxidancy comprising a

Details Lubricating compositions with improved antioxidancy comprising a Lubricating compositions with improved antioxidancy comprising a

1996-04-03

1999-11-30

Johnson, Jerry D.

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

Lubricants or separants for moving solid surfaces and...

Nitrogen and heavy metal, or nitrogen and aluminum, in the...

508375, 508527, 508539, 508563, C10M14106, C10M14110

Patent

active

059942770

ABSTRACT:
Crankcase lubricant compositions for use in automobile or truck engines comprise a major amount of a lubricating oil, added copper present in oil-soluble form, at least 2 ppm of molybdenum present in oil-soluble form, and a total of from 0.05 to 2 mass % of one or more oil-soluble aromatic amines. The specified additives provide a highly effective antioxidant system.

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PCT Search Report dated Jan. 2, 1995.

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