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. 23, 2007
Filed:
Oct. 20, 2001
Applicants:
Thomas Soczka-guth, Schelklingen, DE;
Joachim Kiefer, Idstein, DE;
Frauke Jordt, Eppstein, DE;
Inventors:
Assignee:
BASF Fuel Cell GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/18 (2006.01); C08J 5/20 (2006.01); H01G 9/02 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An acid-doped, single-layer or multilayer polymer membrane comprising at least one layer A of a polymer blend with contains: a) from 0.1 to 99.9% by weight of one or more polymers comprising recurring azole units of the formula 1A and/or 1B: wherein the radicals Ar, Ar, and Arare tetravalent, divalent or trivalent aromatic or heteroaromatic groups and the radicals X are each and oxygen atom, a sulfur atom or an amino group bearing a hydrogen atom, a 1-20 carbon group, in admixture withb) from 99.9 to 0.1% by weight of a polysulfone containing recurring unit having no sulfonic acid groups.