Multilayer oriented films with metallocene catalyzed polyethylene skin layer
US6458469B1 · kind B1 · utility
16Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 1999 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Jul 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An oriented multilayer film comprises:(a) a base layer containing a thermoplastic polymer;(b) at least one tie layer; and(c) at least one outer layer containing a metallocene catalyzed polyethylene chosen for its performance as an adhesion layer and having improved processability. The multilayer films are useful for various end uses including printing, metallization, adhesive lamination, and cold sealing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.