Acylated mannich base mono and/or bis-succinimide lubricating oi

Details Acylated mannich base mono and/or bis-succinimide lubricating oi Acylated mannich base mono and/or bis-succinimide lubricating oi

1990-12-31

1992-04-07

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252 515R, 252 51, 252 50, 548546, 548547, C10M10526, C07D20740

Patent

active

051025701

ABSTRACT:
A lubricating oil composition having improved dispersancy and antioxidancy. The dispersant being prepared by coupling mono- and/or bis-alkenyl succinimides with an aldehyde and hydroxyaromatic amine. The resulting coupled succinimide is then acylated with an acylating agent to form a Mannich hydroxyaromatic amine coupled acylated mono and/or bis-alkenyl succinimide.

REFERENCES:
patent: 3442808 (1969-05-01), Traise
patent: 3493520 (1970-02-01), Verdol
patent: 3563960 (1971-02-01), Verdol
patent: 4699724 (1987-10-01), Nalesnik
patent: 5030369 (1991-07-01), Emert

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