Cast film made from metallocene-catalyzed polypropylene
US6391467B1 · kind B1 · utility
12Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 8, 1999 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Jul 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cast film comprises a layer comprising a metallocene-catalyzed substantially syndiotactic propylene polymer. Optionally, the cast film has on at least one side an outer skin layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.