Labels having a permanent section and at least one removable coupon section are made from polymeric sheets or rolls suitable for printing and forming, at high rates of production, blown or injection in-mold labeled plastic containers are based on a polymeric white opaque, transparent, translucent or...http://www.google.com.au/patents/US20030008082?utm_source=gb-gplus-sharePatent US20030008082 - Labels with removable section for in-mold production of in-mold labeled molded containers
