Packing paper

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United States of America Patent

PATENT NO 11965291
APP PUB NO 20220403602A1
SERIAL NO

17836077

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Packaging paper consisting of an unbleached kraft paper with a kappa value according to ISO 302:2015 between 38 and 60, preferably between 40 and 58 as base paper, which is optionally coated on at least one side, wherein the kraft paper is made of at least 90% primary pulp, has a basis weight according to ISO 536:2019 between 60 g/m2 and 150 g/m2 and an air resistance according to ISO 5636-5:2013 (Gurley) between 5 and 30 seconds, wherein the base paper has an elongation at break in the machine direction according to ISO 1924-3:2005 between 2.5% and 8.5% and has a Bendtsen roughness according to ISO 8791-2:2013 between 70 ml/min and 600 ml/min, preferably between 150 ml/min to 550 ml/min, more preferably 200 ml/min to 500 ml/min, and process for its production.

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Patent Owner(s)

Patent OwnerAddress
MONDI AG1030 WIEN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rosenwirth, Johannes Villach, AT 2 0
Schwaiger, Elisabeth St. Stefan, AT 8 0

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