Ashless oil dispersants

Details Ashless oil dispersants Ashless oil dispersants

1977-03-07

1978-10-17

Shaver, Paul F.

Compositions

Electrolytes for electrical devices

252 515A, C10M 132

Patent

active

041208048

ABSTRACT:
Oil soluble polymers corresponding to the formula ##STR1## are ashless oil dispersants in lubricating oils and fuels. In formulas I and II, R is a saturated or substantially saturated polyolefin having a molecular weight of at least about 250; R.sub.1 is hydrogen or ##STR2## wherein R.sub.2 is hydrogen or alkyl of from 1 to about 18 carbon atoms with at least about 60 percent of the R.sub.1 groups being ##STR3## X is ##STR4## Y is a terminal group; and n is from 2 to about 15.

REFERENCES:
patent: 3769216 (1973-10-01), Gordon et al.
patent: 3864268 (1975-02-01), Culbertson et al.
patent: 3931024 (1976-01-01), Hu

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