Patent ID: 8080268

Claim:
A smoke- and water-vapor-permeable food casing impregnated with liquid smoke on the food-facing side, wherein the casing is single-layered or multilayered, wherein the layer or at least one layer is made up of a mixture consisting essentially of a) at least one aliphatic polyamide and/or aliphatic copolyamide, b) at least one thermoplastic other polymer or copolymer, wherein the thermoplastic other polymer or copolymer is hydrophilic and has a solubility of at least 20 g/L in water at 80° C., c) at least one organic or inorganic filler, and d) at least one additive selected from a dye or a color pigment, wherein said mixture has a total weight, and wherein said at least one layer constitutes an internal layer of said multilayered casing.