US 12,084,243 B2
Packaging with paper material
Jens Mueller, Ravensburg (DE); Reinhard Ruhland, Bad Groenebach (DE); Marius Schulte, Oberkirch (DE); Claus Jurisch, Offenburg (DE); Christian Kind, Baden-Baden (DE); Dominik Hoferer, Lautenbach (DE); and Aljoscha Foell, Appenweier (DE)
Assigned to MULTIVAC Sepp Haggenmueller SE & Co. KG, Wolfertschwenden (DE); and Koehler Innovation & Technology GmbH, Oberkirch (DE)
Appl. No. 18/024,726
Filed by MULTIVAC SEPP HAGGENMUELLER SE & CO. KG, Wolfertschwenden (DE); and KOEHLER INNOVATION & TECHNOLOGY GMBH, Oberkirch (DE)
PCT Filed Sep. 6, 2021, PCT No. PCT/EP2021/074507
§ 371(c)(1), (2) Date Mar. 3, 2023,
PCT Pub. No. WO2022/049289, PCT Pub. Date Mar. 10, 2022.
Claims priority of application No. 102020123123.7 (DE), filed on Sep. 4, 2020.
Prior Publication US 2023/0312202 A1, Oct. 5, 2023
Int. Cl. B65D 65/42 (2006.01); B32B 1/00 (2006.01); B32B 27/10 (2006.01); B32B 27/40 (2006.01); B32B 29/00 (2006.01); B65D 75/26 (2006.01); B65D 77/20 (2006.01)
CPC B65D 65/42 (2013.01) [B32B 1/00 (2013.01); B32B 27/10 (2013.01); B32B 27/40 (2013.01); B32B 29/005 (2013.01); B65D 75/26 (2013.01); B65D 77/2024 (2013.01); B32B 2255/12 (2013.01); B32B 2255/26 (2013.01); B32B 2255/28 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/718 (2013.01); B32B 2307/7265 (2013.01); B32B 2307/73 (2013.01); B32B 2439/40 (2013.01); B65D 2565/387 (2013.01); B65D 2577/2025 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A packaging comprising at least one first piece of packaging material, wherein the first piece of packaging material comprises a coated paper, which has a base paper and at least three coatings applied one on top of the other on the base paper, wherein the at least three coatings have comprise in a sequence in which they are given, starting from the base paper, a first barrier layer, comprising at least one hydrophobic polymer, a second barrier layer, comprising at least one hydrophilic polymer, and a third barrier layer, comprising at least one hydrophobic polymer, wherein the packaging is closed in a gas-tight manner, and wherein a precoat comprising at least one inorganic pigment and a polymeric binder is present between the base paper and the first barrier layer.