Method for neutralizing or recycling carrier materials for film-like coatings

摘要

The present invention relates to methods by which to produce sheet-like, wafer-like or film-like forms of drugs, confectionary, other food, cosmetics and the like for oral application or intake. The present invention is more particularly directed to the thermal treatment of carrier materials used in the production of such sheet-like, wafer-like or film-like forms. The thermal treatment removes contaminating or undesired substances from the carrier material.