Barrier package for fresh meat products
US5916613A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 28, 1996 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Jun 28, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2439/70
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A package comprising a product support member, an O.sub.2 -permeable film over the product support member, and an O.sub.2 -impermeable film over the O.sub.2 -permeable film and in close proximity to the O.sub.2 -impermeable film, has an O.sub.2 -permeable region between the O.sub.2 -permeable film and the O.sub.2 -impermeable film. The O.sub.2 -impermeable film bounds at least a portion of an confined-O.sub.2 volume within the package. The confined-O.sub.2 volume comprises a gas comprising an amount of gaseous oxygen effective to inhibit discoloration of the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.