Culture bag
US5225346A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1991 |
| Grant date | Jul 6, 1993 |
| Priority date | — |
| Expiry date | Jun 28, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1341
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Disclosed herein is a culture bag which has a culture room formed by fusion-bonding a transparent sheet and at least one opening formed therein, the sheet being made of a resin composition composed of 100 parts by weight of vinyl chloride homopolymer or copolymer and 150-260 parts by weight of ethylene-n-butyl acrylate-carbon monoxide copolymer, and having a gas permeability of 600-3000 ml/m.sup.2.24hr.atm to oxygen and a gas permeability of 1000-30,000 ml/m.sup.2.24hr.atm to carbon dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.