Coextruded multilayer film materials and containers made therefrom
US6391404B1 · kind B1 · utility
29Cited by
267References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 1998 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Dec 8, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31924
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A multilayered film (220) suitable for medical uses is coextruded in a machine direction and comprises a first layer (222) defining a pair of peripheral edges (225,227) extending in a direction parallel to the machine direction. The film has a second layer (224) adhered to the first layer (222). The second layer (224) is positioned within the peripheral edges (225,227) defining a stripe (223).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.