Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heavy metal or aluminum in an organic phosphorus compound...
Patent
1998-07-29
2000-05-09
Johnson, Jerry D.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Heavy metal or aluminum in an organic phosphorus compound...
508368, 508372, 508373, 508376, 508294, C10M11104, C10M13706
Patent
active
060604379
ABSTRACT:
A lubricating oil composition for internal combustion engines comprises:
(A) a major amount of a basestock of lubricating viscosity containing from greater than 35 to less than 70 mass % of one or more PAO's, the balance preferably being one or more Group I basestocks as defined in API 1509; and
(B) two or more additive components such as an ashless dispersant and a metal detergent.
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Smalheer et al, Lubricant Additives, 1967, pp. 1-11.
Brettell Trevor Anthony
Robson Robert
Exxon Chemical Patents Inc.
Johnson Jerry D.
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