Patent ID: 8980623
Filing Date: 2015-03-17
Classification: B01F,C12M

Abstract:
1. A cell culture and mixing vessel for containing a liquid, comprising a chamber having a lower chamber portion and an upper chamber portion wider than the lower chamber portion, a gas inlet for supplying gas to the lower chamber portion, the height of liquid being selectable such that when in use, liquid in the upper chamber portion circulates within the upper chamber portion as a result of the introduced gas and G =(H ×A)/V is greater than 1.5, wherein A is the surface area of liquid in the vessel, H is the rise height of the gas and V is the volume of liquid, wherein the chamber has a front wall and a back wall, wherein when the back wall is vertically orientated, the front wall is inclined at an angle of incline, and wherein the angle of incline has an initial value which with increasing height is immediately followed by a reduction in the value of the angle of incline.