Mass transfer membrane for oxygenation of animal cell reactors
AssigneeCentocor, Inc.
InventorsMark F. Baumgartner, William R. Tolbert, John Shanahan
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Abstract
A tubular membrane suitable for the delivery of a gaseous fluid to a surrounding medium has an irregular exterior surface to facilitate the diffusion of gas from the lumen to the exterior.
Claims4
An apparatus for conducting a biological or chemical reaction in liquid medium which comprises a vessel holding said medium, having disposed in said medium an integral tubular permeable membrane encompassing a lumen, the membrane having an interior surface and an exterior surface, the membrane suitable for the conduction of a gaseous fluid through the lumen, wherein said tubular membrane is characterized by an exterior surface having a routine pattern of irregularities in said surface.
Dependencies are inferred from the claim text.