Copolymer suitable for use as a detergent additive for fuel
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United States of America Patent
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Sep 8, 2020
Grant Date -
Jun 6, 2019
app pub date -
Jul 20, 2017
filing date -
Jul 21, 2016
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Abstract
A copolymer obtained by copolymerization of at least: an apolar monomer (ma) with the following formula (I), where u=0 or I, w=0 or I, E=-0- or —NH(Z)—, or —O—CO—, or —NH—CO— or —CO—NH—, wherein Z is H or an alkyl group, and G is a group selected among an alkyl, an aromatic ring and an arylalkyl; and a polar monomer (mb) selected among those of the following formula (II), wherein t=0 or I, Q is selected among the oxygen atom and the —NR′— group, wherein R′ is selected among a hydrogen atom and hydrocarbon chains, and R is a hydrocarbon chain substituted by at least one quaternary ammonium group and optionally one or more hydroxyl groups. The invention also relates to the use of such a copolymer as a detergent additive in a liquid fuel of an internal combustion engine.
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