Films comprising metallocene catalyzed polyethylene
US6214469A · kind A · utility
15Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 1998 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Jan 15, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A high clarity film containing three layers wherein the polymer of each outer layer is the same or different polyethylene selected from polyethylenes having a density of at least 0.925 g/cc, and a molecular weight distribution of less than 4, and being further characterized by being substantially free of branches having 6 or more carbon atoms, polyethylenes of the outer layers optionally containing a fluoroelastomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.