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:
Sep. 05, 2006
Filed:
Nov. 23, 2002
Kai Jakoby, Düsseldorf, DE;
Suzana Nunes Pereira, Geesthacht, DE;
Klaus-victor Peinemann, Geesthacht, DE;
Kai Jakoby, Düsseldorf, DE;
Suzana Nunes Pereira, Geesthacht, DE;
Klaus-Victor Peinemann, Geesthacht, DE;
GKSS-Forschungszentrum Geesthacht, Geesthacht, DE;
Abstract
A proton-conductive membrane for electrochemical applications, particularly for use in fuel cells, is provided. The membrane consists of a polymer based on a base polymer, other than a vinyl polymer, which includes aromatic rings and also sulfonic acid groups which are bound covalently directly to the aromatic rings of the base polymer, that is, without spacer groups therebetween.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile