prov:value
| - The manufacture of thin films or coatings is accomplished according to the present invention in that initially a coating mass is prepared which contains organic substances which are suitable for forming a film or a coating, for instance, polymers such as polyvinyl alcohol, polyvinyl pyrrolidone, cellulose derivatives, polyvinyl acetate, polyethylene glycol, alginate, carrageenan, xanthan, gelatine
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