A multilayered film (220) suitable for medical uses is coextruded in a machine direction and comprises a first layer (222) defining a pair of peripheral edges (225,227) extending in a direction parallel to the machine direction. The film has a second layer (224) adhered to the first layer (222). The...http://www.google.fr/patents/US6391404?utm_source=gb-gplus-shareBrevet US6391404 - Coextruded multilayer film materials and containers made therefrom
Coextruded multilayer film materials and containers made therefrom