Synthetic foamed container that does not wick and a method of making the same
US11969973B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2021 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Sep 24, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2439/70
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A recyclable multilayer synthetic foam container that does not wick, for direct and non-direct food contact and aseptic packaging application is disclosed. In one aspect, a container comprises a pre-creased and/or folded multilayer synthetic foam sheet comprising at least one foam layer, that can be hermetically sealed along the edges, wherein the synthetic board sheet is a recyclable material that does not wick. In another aspect, the product has a bending stiffness value greater than 17 in Taber stiffness unit configuration according to TAPPI/ANSI T 489 om-15. In some embodiments, the product can have an oxygen transmission rate of less than 20 cc/m2/24 hr, according to ASTM D3985. In some embodiments, the product can have a water vapor transmission rate of less than 10 gr/m2/24 hr, according to ASTM E398-13.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.