Modified succinimides (III)

Details Modified succinimides (III) Modified succinimides (III)

1985-04-12

1986-09-30

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

C10M10550, C10M10556

Patent

active

046146032

ABSTRACT:
Disclosed herein are additives which are useful as dispersants and detergents in lubricating oils. In particular, this invention is directed toward polyamino alkenyl or alkyl succinimides which have been modified by treatment with a compound of the formula: ##STR1## wherein W is oxygen or sulfur; X is oxygen, sulfur or R.sub.5 N< wherein R.sub.5 is hydrogen, and alkyl of from 1 to 20 carbon atoms; and R.sub.4 is an alkylene group of from 2 to 5 carbon atoms or an alkylene group of from 2 to 5 carbon atoms substituted with from 1 to 3 alkyl groups of from 1 to 2 carbon atoms each with the proviso that both W and X are not both oxygen. The modified polyamino alkenyl or alkyl succinimides of this invention have been found to possess dispersancy and detergency in lubricating oils. These modified succinimides are also useful as dispersants and detergents in fuels.

REFERENCES:
patent: 3301784 (1967-01-01), Anderson
patent: 3367943 (1968-02-01), Miller et al.
patent: 3373111 (1968-03-01), LeSeur et al.
patent: 3400075 (1968-09-01), Grimm et al.
patent: 3438899 (1969-04-01), Benoit, Jr.
patent: 3630902 (1971-12-01), Coupland et al.
patent: 3897454 (1975-07-01), Hankins
patent: 4182715 (1980-01-01), Heiba
patent: 4439612 (1984-03-01), Babic
patent: 4482464 (1984-11-01), Karol et al.

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