A flow improver composition may include a branched dendritic core having a first quaternary carbon center bonded to four second carbon atoms, where in at least three of the four second carbon atoms are individually bonded to one or more chain extender ligands to produce the branched dendritic core, wherein the branched dendritic core has greater than or equal to about 16 terminal hydroxyl groups, wherein at least one terminal hydroxyl group is esterified with at least one carboxylic acid moiety comprising of 6 to 30 carbon atoms or a combination, and wherein the dendritic core has no nitrogen atom; a polymeric inhibitor having an alkyl side chain of 2 to 40 carbon atoms; and an aromatic solvent.
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