Fecha de publicación: -- Fuente: WIPO "tomato" The present invention relates to a barrier-coated cellulose-based fibrous substrate and to a method of manufacturing such barrier-coated cellulose-based fibrous substrates, by dispersion coating of a first gas barrier coating and optionally subsequent vapour deposition coating of a barrier deposition coating, and further relates to heat sealable laminated packaging materials comprising the barrier-coated cellulose-based fibrous substrate and to packaging containers made therefrom.