Multifunctional additive for lubricating oils
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United States of America Patent
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Jun 21, 1994
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N/A
app pub date -
Dec 11, 1991
filing date -
Dec 14, 1990
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Abstract
A lubricating oil viscosity index improvement additive with dispersant andntioxidant properties of general formula: ##STR1## where R' is hydrogen or an alkyl, R.sub.a and R.sub.b are alkyl radicals, R.sub.c is a nitrogenated alkyl radical and x, y and z represent relative quantities. The invention also relates to the process for preparing said additive and lubricating oil compositions which contain it.
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