Packaging system for preserving perishable items
US6269946A · kind A · utility
13Cited by
16References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 7, 2000 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Oct 7, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/80
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A modified atmosphere package for storing oxygen sensitive goods which contains a gas permeable tray for holding the oxygen-sensitive goods and a gas permeable film wrapped over the tray. The tray is made from foam material; at least about 20 volume percent of said foam material is open cell foam. A hinged flap is connected to a wall of the tray and contains a receptacle in which a source of carbon dioxide (such as dry ice) may be disposed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.