Device and process for removing pyrogens from aqueous solutions

Details Device and process for removing pyrogens from aqueous solutions Device and process for removing pyrogens from aqueous solutions

A - Human Necessities

61

L

182/15

A61L 2/02 (2006.01) B01D 69/12 (2006.01)

Patent

CA 1119103

TITLE OF THE INVENTION: DEVICE AND PROCESS FOR REMOVING PYROGENS FROM AQUEOUS SOLUTIONS ABSTRACT OF THE DISCLOSURE: Pyrogens can be effectively removed from an aqueous solution by passing a stream of the solution through a device comprising at least two anisotropic ultrafiltration membranes positioned in series, said membranes having nominal molecular weight limits less than the molecular weight of the pyrogens, including aggregates or micelles thereof, to be removed, wherein at least one membrane is juxtaposed with at least one other membrane so that substantially all of the skin surface of one membrane is in intimate contact with substantially all of the skin surface of the other membrane and wherein the edges of one membrane are sealed to the corresponding edges of the other membrane.

328074

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