Compositions – Electrolytes for electrical devices
Patent
1987-11-30
1989-08-15
Dixon, Jr., William R.
Compositions
Electrolytes for electrical devices
252 45, 252 482, 252 486, 252 50, 252353, 252355, C10M10560
Patent
active
048572179
ABSTRACT:
The present invention is directed to a dispersant additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 (e.g., from about 1 to 4) dicarboxylic acid producing moieties (preferably acid or anhydride moieties) per polyolefin molecule, (B) an amido-amine or thioamido-amine characterized by being a reaction product of at least a polyamine and an alpha, beta-unsaturated compound of the formula: ##STR1## wherein X is sulfur or oxygen, Y is --OR.sup.4, --SR.sup.4, or --NR.sup.4 (R.sup.5), and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are the same or different and are hydrogen or substituted or unsubstituted hydrocarbyl.
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Gutierrez Antonio
Lundberg Robert D.
Dixon Jr. William R.
Exxon Chemical Patents Inc.
Hunter, Jr. James M.
Murray, Jr. J. B.
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