| http://www.w3.org/ns/prov#value | - Such organic raw materials include polymers such as polyvinyl alcohol, polyvinyl pyrrolidone, cellulose derivatives, polyvinyl acetate, polyethylene glycol, alginates, carrageenan, xanthan, gelatin and other water-soluble polymers known to the skilled artisan, and also mixtures and copolymers of these substances.
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