Gas-tight laminating film and packaging material produced therefrom
US6534171B1 · kind B1 · utility
3Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2001 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Feb 1, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Described is a heat sealable, multi-layer laminating film composed of at least six layers of thermoplastic polymers. The multi-layer laminating film has an inner layer of ethylene/vinyl alcohol copolymer (EVOH). Also described are packaging materials containing the multi-layer laminating film of the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.