Packaging articles suitable for scavenging oxygen
US5700554A · kind A · utility
105Cited by
18References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1995 |
| Grant date | Dec 23, 1997 |
| Priority date | — |
| Expiry date | Dec 6, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An article useful for packaging oxygen-sensitive products is disclosed. The article is a single or multi-layer article capable of enveloping the oxygen sensitive product. The article has at least one layer which contains a composition composed of an ethylenically unsaturated hydrocarbon polymer and a transition metal salt. The layer is capable of scavenging oxygen at a rate of at least 1 cc oxygen per square meter per day and has a capacity of at least 250 cc oxygen per square meter per mil thickness of the layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.