Film and stretch packaging film
US6417308B2 · kind B2 · utility
11Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2001 |
| Grant date | Jul 9, 2002 |
| Priority date | — |
| Expiry date | Feb 20, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31938
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A film containing at least 5 wt % of an aromatic vinyl compound-&agr;-olefin random copolymer having an aromatic vinyl compound content of from 1 to less than 99.9% by molar fraction and having head-to-tail chain structures comprising at least two aromatic vinyl compound units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.