Lubricant formulations with dispersancy retention capability (la

Details Lubricant formulations with dispersancy retention capability (la Lubricant formulations with dispersancy retention capability (la

1998-08-04

2000-11-21

Howard, Jacqueline V.

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...

508563, C10M14108, C10M14106

Patent

active

061503096

ABSTRACT:
The use of oil soluble organo molybdenum compounds in combination with phenolic or amenic antioxidants has been found to improve the dispersancy retention capability of crankcase lubricants. Thus in one embodiment the present invention comprises improving dispersancy retention of a crankcase lubricant by including in the crankcase lubricant composition an oil soluble organomolybdenum compounds and at least one of a phenolic or aminic antioxidant. Particularly preferred organomlybdenum compounds are molybdenum dithiocarbamates while a mixture of a diarylamine and two phenolic antioxidants are preferred.

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patent: 5731273 (1998-03-01), Field
patent: 5744430 (1998-04-01), Inoue et al.
patent: 5807813 (1998-09-01), Yamada

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