Packaging material
US11613108B2 · kind B2 · utility
0Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2020 |
| Grant date | Mar 28, 2023 |
| Priority date | — |
| Expiry date | Jun 4, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2307/7246
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Packaging material formed from a substrate and three coating layers or in some instances at least three coating layers, each coating including an aqueous polymeric solution or dispersion dried to form a continuous film such that the packaging material is provided with tailored performance attributes including desired moisture vapor transmission rates, oxygen permeation rates, oil and grease resistance peel strength. The materials forming the packaging material may be compostable or biodegradable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.