Multi-layer stretch film
US6517936B1 · kind B1 · utility
10Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2000 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Sep 25, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31924
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A stretch film heat-sealable to polystyrene-based material comprising a first outer heat-sealing layer, a second outer layer and at least an intermediate layer, comprising in the first outer heat-sealing layer a TPE-S such as a styrene-butadiene-styrene block terpolymer (SBS) or a hydrogenated derivative thereof. Also described are packages made with the new stretch film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.