C - Chemistry – Metallurgy – 12 – M
Patent
C - Chemistry, Metallurgy
12
M
195/143, 195/67
C12M 1/08 (2006.01) C12M 3/02 (2006.01)
Patent
CA 1263328
- 17 - ABSTRACT Fermenter A continuous fermenter vessel such as an air-lift fermenter for receiving a suspension culture of cells, the vessel comprising; means for agitating a suspension culture received in a first portion of the vessel; a second portion of the vessel defining, in use, a static settling zone, at least part of the bottom of the second portion communicating with the first portion; an inlet means for the continuous supply of culture medium to the vessel; and an outlet for the continuous withdrawal of culture supernatant from the second portion of the vessel from a point spaced above the bottom of the second portion wherein, in use, cells settling in the second portion are returned to the agitated suspension culture, and culture supernatant having a lower concentration of cells than the suspension culture is withdrawn from the second portion.
511988
Birch John Robert
Boraston Robert Charles
Birch John Robert
Boraston Robert Charles
Celltech Therapeutics Limited
Kirby Eades Gale Baker
LandOfFree
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