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:
Feb. 03, 2009
Filed:
Aug. 30, 2006
Joachim Kiefer, Losheim am See, DE;
Oemer Uensal, Mainz, DE;
Jochen Baurmeister, Eppstein, DE;
Frauke Jordt, Eppstein, DE;
Joachim Kiefer, Losheim am See, DE;
Oemer Uensal, Mainz, DE;
Jochen Baurmeister, Eppstein, DE;
Frauke Jordt, Eppstein, DE;
BASF Fuel Cell GmbH, Frankfurt am Main, DE;
Abstract
The present invention relates to polymer films and a polymer membrane having an improved mechanical property profile produced therefrom, to a process for producing them and to their use. The polymer films, polymer membranes and separation membranes of the invention are produced from selected polymer raw materials and have excellent chemical, thermal. and mechanical properties as are required for use as polymer electrolyte membranes (PEMs) in PEM fuel cells or in apparatuses for the filtration and/or separation of gases and/or liquids or for reverse osmosis.