| http://www.w3.org/ns/prov#value | - Of the polymers that correspond to this definition, there will be cited particularly those for which R1, R2, R3 and R4, equal or different, represent an alkyl or hydroxyalkyl group comprising from 1 to 20 carbon atoms, a cycloalkylalkyl radical having less than 20 carbon atoms, a cycloalkyl radical with 5 or 6 groups, an aralkyl radical such as s phenylalkyl radical whose alkyl group preferably co
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