Polyalkylene succinimide lubricant additives

Details Polyalkylene succinimide lubricant additives Polyalkylene succinimide lubricant additives

1982-03-24

1984-05-15

Coughlan, Jr., Paul M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

252 515A, C07D207412

Patent

active

044489749

ABSTRACT:
A lubricating oil dispersant made by reacting an aldehyde (e.g. isobutyraldehyde) with an amine (e.g. tetraethylenepentamine) under conditions to form a Schiff base which is then reacted with a hydrocarbon-substituted succinic acid, anhydride or lower alkyl ester.

REFERENCES:
patent: 3219666 (1965-11-01), Norman et al.
patent: 3723460 (1973-03-01), Brannen et al.

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