Coextruded laminar thermoplastic bags
US4220684A · kind A · utility
30Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 12, 1979 |
| Grant date | Sep 2, 1980 |
| Priority date | — |
| Expiry date | Mar 12, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A thermoplastic bag particularly adapted for the containment and storage of foods comprising a laminar bag structure having an interior layer of a high density polyethylene and an exterior layer of nylon 6. The layers are lightly bonded together at their interface. Such bag structures are suitable for the containment of foodstuffs while they are being heated or reheated following storage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.