An apertured film, suitable for use as a sanitary napkin cover which passes body fluids, is provided. The film comprises a first layer of a first polymeric material and a second layer of a second polymeric material. Both layers are apertured for the transmission of body fluids therethrough. The first...http://www.google.de/patents/US4806411?utm_source=gb-gplus-sharePatent US4806411 - Coextruded apertured film sanitary napkin cover