Chemical process system with multi-functional barrier filter

US6902671B2 · kind B2 · utility

Assignee

• Millipore Corporation · US

Inventors

• Jean-Marc Cappia · Châteauroux, FR
• Stephen Proulx · Boxboro, US
• Stephen Tingley · North Reading, US
• Jack Messing · Townsend, US
• Matthias Gratzfeld · Ranschbach, DE

Key dates

• Filing date: Dec 3, 2001
• Grant date: Jun 7, 2005
• Expiry date: Dec 26, 2021

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01D2325/38
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

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.