Mannich base phenol coupled mono and/or bis-succinimide lubricat

Details Mannich base phenol coupled mono and/or bis-succinimide lubricat Mannich base phenol coupled mono and/or bis-succinimide lubricat

1991-04-24

1993-01-26

Chaudhuri, Olik

Compositions

Electrolytes for electrical devices

252 515R, 44418, C10M13356

Patent

active

051820382

ABSTRACT:
A lubricating oil composition having improved dispersancy and a low nitrogen content. The dispersant additive contained in the oil composition being prepared by first forming mono- and/or bis-alkenyl succinimides, with, respectively, an amidoamine, and a phenol and an aldehyde. Then, the succinimides are combined to provide the desired dispersant additive product.

REFERENCES:
patent: 4636322 (1987-06-01), Nalesnik
patent: 4699724 (1987-10-01), Nalesnik et al.
patent: 4713189 (1987-12-01), Nalesnik

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