The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 07, 2005
Filed:
Dec. 03, 2001
Jean-marc Cappia, Saint Maur, FR;
Stephen Proulx, Boxboro, MA (US);
Stephen Tingley, North Reading, MA (US);
Jack Messing, Townsend, MA (US);
Matthias Gratzfeld, Ranschbach, DE;
Jean-Marc Cappia, Saint Maur, FR;
Stephen Proulx, Boxboro, MA (US);
Stephen Tingley, North Reading, MA (US);
Jack Messing, Townsend, MA (US);
Matthias Gratzfeld, Ranschbach, DE;
Millipore Corporation, Billerica, MA (US);
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.