A laminated film includes an outer-layer-film, a water-soluble film, and an intermediate layer interposed between the outer-layer-film and the water-soluble film. The intermediate layer contains high-pressure polyethylene oxidized to a prescribed degree on a surface thereof contiguous to the water-soluble...http://www.google.com.au/patents/US6244746?utm_source=gb-gplus-sharePatent US6244746 - Laminated film, method for production thereof, bag and package using the laminated film, and method for separation thereof
