Carbonate treated dispersants

Details Carbonate treated dispersants Carbonate treated dispersants

1988-04-21

1989-02-07

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 515A, 568 1, 548545, C10M13316

Patent

active

048030023

ABSTRACT:
Disclosed are additives which are useful as dispersants in marine crankcase oils and hydraulic oils, lubricating oils. In particular, disclosed are nitrogen-containing lubricating oil dispersants having at least one primary or secondary amino group which have been modified by treatment with a cyclic carbonate.

REFERENCES:
patent: 4554086 (1985-11-01), Karol et al.
patent: 4584115 (1986-04-01), Davis
patent: 4755312 (1988-07-01), Wollenberg

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