Polyacrylate-modified bis-succinimide lubricant additives

Details Polyacrylate-modified bis-succinimide lubricant additives Polyacrylate-modified bis-succinimide lubricant additives

1991-03-25

1993-02-16

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

525426, 548520, 548546, C10M13344

Patent

active

051868539

ABSTRACT:
A lubricating oil soluble compound suitable for use as a dispersant additive is obtainable by reacting at elevated temperature a polyacrylate with a dispersant having at least one reactive nitrogen--containing moiety.
Intermediatese of the general formula IV ##STR1## where Y.sup.1 is a group derived from the reaction of the polyacrylate with the reactive nitrogen-containing moieties (i.e. primary or secondary amine) are novel.
The process for preparing the lubricating oil soluble compounds can be a one step or multistep process.
Lubricating oil compositions comprise a major proportion of lubricating oil and a minor proportion of the lubricating oil soluble compounds.

REFERENCES:
patent: 3630902 (1971-12-01), Coupland
patent: 4374034 (1983-02-01), Coleman
patent: 4579675 (1986-04-01), Sawicki
patent: 4680129 (1987-07-01), Plavac
patent: 4695391 (1987-09-01), Buckley
patent: 5062980 (1991-11-01), Migdal

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