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:
Jan. 17, 2006
Filed:
May. 14, 2003
Jonathan F. Hester, Hudson, WI (US);
Brian E. Spiewak, Inver Grove Heights, MN (US);
Philip D. Radovanovic, Duesseldorf, DE;
Stefan R. Reimann, Cologne, DE;
Robert S. Kody, Minneapolis, MN (US);
Jonathan F. Hester, Hudson, WI (US);
Brian E. Spiewak, Inver Grove Heights, MN (US);
Philip D. Radovanovic, Duesseldorf, DE;
Stefan R. Reimann, Cologne, DE;
Robert S. Kody, Minneapolis, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present invention includes a membrane construction for selectively transferring a constituent to or from a fluid. The membrane construction includes a multi-layer fluid impermeable support sheet having a plurality of supports on at least one side of the support sheet that form a plurality of flow channels. At least one layer of the multi-layer support sheet is a bonding layer. A fluid permeable layer extends over the flow channels and is bonded to the plurality of the supports by the bonding layer.