A multi-layer film with barrier properties having one or more layers made from a bio-based film is disclosed. In one aspect, a multi-layer packaging film including(a) an outer layer including a bio-based film, wherein the bio-based film is polyhydroxy-alkanoate, wherein the bio-based film includes a...http://www.google.es/patents/US7951436?utm_source=gb-gplus-sharePatente US7951436 - Environmentally-friendly multi-layer flexible film having barrier properties
Environmentally-friendly multi-layer flexible film having barrier properties
