Millipore Corporation

Matthias Gratzfeld

Stephen Proulx

Stephen Tingley

Jack Messing

Jean-Marc Cappia

A barrier filter useful for aseptically discharging both gaseous and liquid fluids from a chemical process system is disclosed The barrier filter comprises, within a common enclosure, one or several filter membranes having singularly or collectively a mixture or hydrophobic and hydrophilic regions. The common enclosure of the barrier filter is provided with a fluid inlet and a fluid outlet. All filter membranes are located within the fluid path between the fluid inlet and the fluid outlet. A variety of membrane-based systems, into which such barrier filter is installed, are also disclosed.

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Ranschbach, Germany

Matthias Gratzfeld