| http://www.w3.org/ns/prov#value | - Polymers derived from unsaturated alcohols and amines or the acyl derivatives or ace- tals thereof, for example polyvinyl alcohol, polyvinyl acetate, polyvinyl stearate, polyvinyl benzoate, polyvinyl maleate, polyvinyl butyral, polyallyl phthalate or polyallyl melamine ; as well as their copolymers with olefins mentioned in 1) above. 12.
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