Laminated packaging material, packaging containers manufactured therefrom
US11654662B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2016 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Oct 7, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D15/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a method for manufacturing of a laminated cellulose-based liquid or semi-liquid food packaging material, wherein the laminated packaging material has a bulk material layer of paper, paperboard or other cellulose-based material, an innermost, heat sealable and liquid-tight layer of a thermoplastic polymer, the innermost polymer layer intended to be in direct contact with the packaged food product, a barrier layer laminated between the bulk layer and the innermost layer. The invention further relates the laminated packaging materials obtained by the method and to a packaging container for liquid food packaging, comprising the laminated packaging material or being made from the laminated packaging material obtained by the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.