Packaging with paper material

US12084243B2 · kind B2 · utility

Assignees

• Multivac Sepp Haggenmüller Se & Co. KG · DE
• Koehler Innovation & Technology GmbH · DE

Inventors

• Jens Mueller · Stuttgart, DE
• Reinhard Ruhland · Dörfel, DE
• Marius Schulte · Oberkirch, DE
• Claus Jurisch · Offenburg, DE
• Christian KIND · Baden-Baden, DE
• Dominik HOFERER · Lautenbach, DE
• Aljoscha Foell · Appenweier, DE

Key dates

• Filing date: Sep 6, 2021
• Grant date: Sep 10, 2024
• Expiry date: Oct 4, 2041

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D2577/2025
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A packaging unit comprises at least one first piece of packaging material, wherein the first piece of packaging material has a coated paper, which has a base paper and at least three coatings applied one on top of the other on the base paper. The at least three coatings have 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. Furthermore, the packaging is closed in a gas-tight manner.