Laminated packaging material, packaging containers manufactured therefrom and a method for manufacturing the laminate material
US10710787B2 · kind B2 · utility
0Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 2016 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | May 1, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2439/70
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a laminated cellulose-based liquid or semi-liquid food packaging material, comprising a brown or dark bulk layer from non-bleached, cellulose-based material, an outside substrate layer having a white print surface to hide the dark colour of the bulk layer, and on the inside an oxygen barrier layer and an innermost heat sealable layer. The invention further relates to the method for manufacturing the laminated packaging material and to a packaging container for liquid food packaging, comprising the laminated packaging material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.