Packaging Paper And Method For The Production Thereof
Patent No. EP4101980 (titled "Packaging Paper And Method For The Production Thereof") was filed by Mondi on Aug 12, 2021. The application was issued on Oct 23, 2024.
Patent Summary
This packaging paper comprises an optionally coated unbleached kraft base paper with a Kappa number (ISO 302:2015) of 38–60 (preferably 40–58). The base paper consists of $\ge$90% primary pulp, has a basis weight (ISO 536:2019) of 60–150 g/m², and an air resistance (ISO 5636-5:2013) of 5–30 seconds. The primary pulp contains $\ge$80% (preferably $\ge$88%) pulp with an average length-weighted fiber length (ISO 16065-2:2014) of 2.0–2.9 mm, <4.5% fillers, and 0.5–1.5 wt% cationic starch. The base paper exhibits a machine-direction elongation at break (ISO 1924-3:2005) of 2.5–8.5% and a Bendtsen roughness (ISO 8791-2:2013) of 70–600 ml/
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Dossier Documents
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Date
Description
EP4101980
- Application Number
- EP21191115A
- Filing Date
- Aug 12, 2021
- Status
- Granted And Under Opposition
- Sep 19, 2024
- Publication Date
- Oct 23, 2024
- External Links
- Slate, Register , Google Patents