Tampere University of Technology

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Packaging Material

Research output: PatentScientific


Original languageEnglish
Patent numberWO9631303
IPCD21H 19/ 34 A N
Priority date6/04/95
Publication statusPublished - 10 Oct 1996
Publication typeH1 Granted patent


The invention relates to packaging material intended especially for packaging food products requiring gas, grease, aroma, water and water vapour tightness. The packaging material according to the invention comprises a basic layer (1) and a plastic layer (2) disposed on top of it. The invention is characterized in that the plastic material of the layer on top of the basic layer consists of biodegradable plastic. Two very important requirements are met by the packaging material: on the one hand, oxygen, aroma, grease, water and water vapour tightness and on the other hand biodegradability and compostability.