Multi-layer film
US5565250A · kind A · utility
11Cited by
0References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1995 |
| Grant date | Oct 15, 1996 |
| Priority date | — |
| Expiry date | Feb 8, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2852
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A multi-layer film comprising a thermoplastic barrier layer, and a seal layer. The seal layer being an ethylene copolymer, having in the range of from about 5 to about 12 mol percent of a comonomer selected from the group consisting of vinyl acetate, ethyl acrylate, methyl acrylate and butyl acrylate. The multi-layer film is RF weldable in the range of from about 10 to about 50 MHz to form a non-peelable seal and where the seal layer has an anti-block matted surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.