The invention presents a new use for modified polypropylene films, wherein the films are cold sealable for heat sensitive packaging operations. In a preferred embodiment, the film comprises a laminate having at least one cold seal release layer and a cold seal receptive layer such that when the release...http://www.google.com.au/patents/US5489473?utm_source=gb-gplus-sharePatent US5489473 - Biaxially and monoaxially oriented polypropylene cold seal release film
