| http://www.w3.org/ns/prov#value | - The preferred polymers of the invention are chosen from amphiphilic copolymers of AMPS and of at least one ethylenically unsaturated hydrophobic monomer comprising at least one hydrophobic portion containing from 6 to 50 carbon atoms, more preferably from 6 to 22 carbon atoms, even more preferably from 6 to 18 carbon atoms and more particularly 12 to 18 carbon atoms.
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