Pressure control system for a bioreactor
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United States of America Patent
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Jul 19, 1994
Grant Date -
N/A
app pub date -
Oct 18, 1991
filing date -
Oct 18, 1991
priority date (Note) -
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Abstract
A pressure control system for a bioreactor of the type having a gas space and a cell culture space therein is supplied with a gas such as oxygen separately from the supply of liquid nutrient media. The pressures in the gas space and the pressure in the cell culture space are controlled so that a higher pressure is maintained in the cell culture space than in the gas space to prevent displacement of the liquid nutrient media.
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