Patents Assigned to Tecnomara Deutschland GmbH
  • Pressure control system for a bioreactor
    Patent number: 5330915
    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.
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: July 19, 1994
    Assignees: Endotronics, Inc., Tecnomara Deutschland GmbH
    Inventors: John R. Wilson, Ewald Kowol