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. 19, 2008
Filed:
Jul. 31, 2003
Applicants:
Joachim Kiefer, Losheim am See, DE;
Oemer Uensal, Mainz, DE;
Gordon Calundann, North Plainfield, NJ (US);
Inventors:
Joachim Kiefer, Losheim am See, DE;
Oemer Uensal, Mainz, DE;
Gordon Calundann, North Plainfield, NJ (US);
Assignee:
Celanese Ventures GmbH, Frankfurt am Main, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 5/22 (2006.01); H01M 8/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a proton-conducting polymer membrane comprising polymers containing sulfonic acid groups, obtainable by a process comprising the steps of
Kiefer, Joachim. (2008). Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cells (U.S. Patent No. 7332530). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7332530
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile