Multilayer film
US8475896B2 · kind B2 · utility
0Cited by
16References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 13, 2006 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Aug 8, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3192
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A film comprising a core layer (5), first and second outer layers (3, 4), first and second intermediate layers (1, 2). The core layer (5) contains at least 50% by weight of a ULDPE. At least one of the outer layers (3, 4) contains at least 50% by weight of a LLDPE. The first and/or second intermediate layer (1, 2) is made of a first composition based on EVA and on a copolymer of ethylene and of at least one compound selected from the group consisting of the linear alkenes of order C greater than ethylene, dienes and cyclic alkenes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.