Patent · US Expired

Culture bag

US5225346A · kind A · utility

93Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 1991
Grant dateJul 6, 1993
Priority date
Expiry dateJun 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.