A breathable, substantially liquid impermeable film and laminate are provided for use in a wide variety of personal care garments and protective garments. The film, and laminate containing the film, are extendible in a cross-direction to a stretched width which is at least 25% greater than an original,...http://www.google.de/patents/US6821915?utm_source=gb-gplus-sharePatent US6821915 - Film having high breathability induced by low cross-directional stretch
