Drug container and multilayer film
US8328783B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Jul 15, 2008 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | Dec 19, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31913
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A drug container of a multilayer film including a first layer (1) composed of a linear ethylene/α-olefin copolymer having a density of 0.930 to 0.950 g/cm3, a second layer (2) and a fourth layer (4) each composed of a mixture containing a linear ethylene/α-olefin copolymer having a density of 0.860 to 0.920 g/cm3 in a weight ratio of 95:5 to 40:60, a third layer (3) composed of a polycycloolefin, and a fifth layer (5) composed of a mixture containing a polyethylene and a polypropylene, the fifth layer 5 serving as an innermost layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.