Compositions – Electrolytes for electrical devices
Patent
1991-06-19
1993-04-27
Howard, Jacqueline
Compositions
Electrolytes for electrical devices
252 51, 252401, 252403, 525293, 525333006, C10M10556
Patent
active
052059499
ABSTRACT:
An additive composition comprising a graft and derivatized block copolymer prepared from a styrene-ethylenebutylene-styrene characterized in that unsaturation in the styrene blocks is equal to or greater than 50 percent, and the ethylenebutylene block is hydrogenated leaving no more than 10 percent unsaturation which has been grafted with at least one olefinic carboxylic acid acylating agent and then derivatized with an aminoaromatic compound from the group consisting of aminopyridines, aminopyrazines and aminopyrimidines, and a lubricating oil composition containing same are provided.
REFERENCES:
patent: 3474034 (1969-02-01), Coleman
patent: 4358565 (1982-11-01), Eckert
patent: 5013469 (1991-05-01), DeRosa et al.
patent: 5075383 (1991-12-01), Migdal et al.
Dadura James G.
Kaufman Benjamin J.
Nalesnik Theodore E.
Burns Robert B.
Howard Jacqueline
O'Loughlin James J.
Texaco Inc.
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