Packaging system for preserving perishable items
US6269945A · kind A · utility
6Cited by
18References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 3, 2000 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Jul 3, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/80
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A packaging system for preserving a perishable item which contains a gas permeable tray containing open-cell foam disposed within a sealed, oxygen-impermeable barrier bag. The open cells within the gas-permeable tray contain less than about 0.05 volume percent of oxygen, and the atmosphere within the sealed barrier bag contains less than about 0.05 volume percent of oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.