| http://www.w3.org/ns/prov#value | - Copolymer useful as base of elastomers, of monoester and diester, comprising the fundamental units having the formula: i 1 l l in which, as regards mono-ester, A is a COOR group and B is hydrogen and, as regards the diester, A is a COO-R group and B is a 000R group, R and R being selected from the group comprising alkyl and oXi-alkyl radicals preferably comprising from 2 to 14 atoms of carbon in
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