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:
Oct. 18, 2011
Filed:
Jul. 14, 2004
Lotfi Hedhli, King of Prussia, PA (US);
Isabelle Decker, Le Fantanil, FR;
Patrick M. Piccione, Devon, PA (US);
Holger Amort, Mobile, AL (US);
Scott R. Gaboury, Blue Bell, PA (US);
Fabienne Piroux, Sur Saone, FR;
Lotfi Hedhli, King of Prussia, PA (US);
Isabelle Decker, Le Fantanil, FR;
Patrick M. Piccione, Devon, PA (US);
Holger Amort, Mobile, AL (US);
Scott R. Gaboury, Blue Bell, PA (US);
Fabienne Piroux, Sur Saone, FR;
Arkema Inc., King of Prussia, PA (US);
Abstract
Multi-layer polyelectrolyte membranes are described wherein at least one of the layers contains at least one acrylic resin or vinyl resin having at least one ionic or ionizable group, and at least one additional polymer. The polymer has small or large domain sizes with respect to the acrylic resin or vinyl resin that is present in one or more layers. The polymer preferably has improved conductivity when formed into a film. The membranes are useful in batteries, fuel cells, and the like.