Lubricating oil additives, their preparation and use

Details Lubricating oil additives, their preparation and use Lubricating oil additives, their preparation and use

1994-04-14

1995-11-21

Kalafut, Stephen

Compositions

Electrolytes for electrical devices

252 515A, 252 50, 549551, 548520, C10M14912, C10M14922

Patent

active

054684048

ABSTRACT:
A lubricating oil soluble compound suitable for use as a dispersant additive is obtainable by reacting at elevated temperature a polyepoxide with a dispersant having at least one reactive nitrogen-containing moiety. Intermediates of the general formula IV ##STR1## where Y' is a group derived from the reaction of the polyepoxide with reactive nitrogen-containing moieties (i.e. primary or secondary amines) are novel.
The process for preparing the lubricating oil soluble compounds comprises at least 2 sequential steps.
Lubricating oil compositions comprises a major proportion of lubricating oil and a minor proportion of the lubricating oil soluble compounds.

REFERENCES:
patent: 5053150 (1991-10-01), Emert et al.
patent: 5085788 (1992-02-01), Emert et al.
patent: 5091574 (1992-02-01), Lin et al.

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