Multifunctional ashless dispersants derived from Mannich reactio

Details Multifunctional ashless dispersants derived from Mannich reactio Multifunctional ashless dispersants derived from Mannich reactio

1992-07-09

1993-02-16

Howard, Jacqueline

Compositions

Electrolytes for electrical devices

252402, 252391, 548127, 548129, 548130, 548135, 548142, C10M13536

Patent

active

051868504

ABSTRACT:
The incorporation of the heterocyclic dimercaptothiadiazole functionality into the alkenylsuccinimide dispersant structures via the Mannich alkylaminomethylkation procedure provides a class of ashless non-phosphorus dispersants with multifunctional antiwear, antioxidant and corrosion inhibitor properties in lubricant compositions.

REFERENCES:
patent: 4764298 (1988-08-01), Croudace
patent: 4908144 (1990-03-01), Davis et al.
patent: 5026865 (1991-06-01), Karol
patent: 5055584 (1991-10-01), Karol
patent: 5138065 (1992-08-01), Karol

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