Biaxially oriented polypropylene films
US6994915B2 · kind B2 · utility
15Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2001 |
| Grant date | Feb 7, 2006 |
| Priority date | — |
| Expiry date | Jun 6, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Biaxially oriented polypropylene films (BOPP) having at least one layer of a propylene polymer containing at least 0.8% by weight of ethylene and, optionally, one or more C4-C10 α-olefins, or a propylene polymer composition containing at least 0.8% by weight of one or more comonomers selected from the group consisting of ethylene and C4-C10 α-olefins, and having
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.