| http://www.w3.org/ns/prov#value | - Typical of these latter polymers of formula I include, in particular, those for which R'.sub.1 is ethyl, propyl, butyl, hexyl, octyl, decyl, dodecyl, hexadecyl, cyclohexyl or benzyl; A is a polymethylene radical having 3, 5, 6, 8, 9 or 10 carbon
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