Sealed food package for microwave heating
US4939332A · kind A · utility
75Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 1989 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Feb 28, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S99/14
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Tray for containing food products that are to be heated up in a microwave oven, with an external foil cover and an internal closure film, the external cover providing a water vapor and oxygen barrier, while the internal film is permeable to microwaves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.