An article comprising a substrate such as cellulose casing, having thereon a desired indicia such as grill marks or a corporate logo. The indicia comprises an aluminum-organic dye lake and a binder-carrier, with the lake dispersed in the binder-carrier and bonded to the substrate by the binder-carrier...http://www.google.ca/patents/US4917924?utm_source=gb-gplus-sharePatent US4917924 - Food body with surface color indicia
