Long life lubricating oil using detergent mixture

Details Long life lubricating oil using detergent mixture Long life lubricating oil using detergent mixture

1999-12-15

2000-10-31

Howard, Jacqueline V.

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

Lubricants or separants for moving solid surfaces and...

Organic sulfur compound, wherein the sulfur is single bonded...

508413, 508417, 508518, C10M13518, C10M12954, C10M12976

Patent

active

061402818

ABSTRACT:
A lubricating oil of enhanced life as evidenced by a reduction in viscosity increase, nitration, and TBN depletion and equivalent or improved oxidation and TAN increase performance relative to commercial oils comprises a major amount of a base oil of lubricating viscosity and a minor amount of a mixture of one or more metal sulfonate(s) and/or phenate(s) and one or more metal salicylate(s) detergents, all such detergents used in the mixture being of the same or substantially similar Total Base Number (TBN).

REFERENCES:
patent: 5547597 (1996-08-01), Roganei et al.
patent: 5726133 (1998-03-01), Blakey et al.
patent: 5906969 (1999-05-01), Fybe

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