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:
Jul. 25, 2017
Filed:
Sep. 14, 2012
Applicants:
Andreas Bulan, Langenfeld, DE;
Jürgen Kintrup, Leverkusen, DE;
Norbert Schmitz, Engelskirchen, DE;
Alexander Karpenko, Leverkusen, DE;
Jens Aβmann, Haan, DE;
Inventors:
Andreas Bulan, Langenfeld, DE;
Jürgen Kintrup, Leverkusen, DE;
Norbert Schmitz, Engelskirchen, DE;
Alexander Karpenko, Leverkusen, DE;
Jens Aβmann, Haan, DE;
Assignee:
COVESTRO DEUTSCHLAND AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 1/46 (2006.01); C25B 11/03 (2006.01); C25B 11/04 (2006.01); H01M 4/86 (2006.01); H01M 4/88 (2006.01); H01M 4/90 (2006.01); H01M 12/04 (2006.01); H01M 12/08 (2006.01); H01M 8/1018 (2016.01);
U.S. Cl.
CPC ...
C25B 1/46 (2013.01); C25B 11/035 (2013.01); C25B 11/0478 (2013.01); C25B 11/0489 (2013.01); H01M 4/8605 (2013.01); H01M 4/886 (2013.01); H01M 4/8807 (2013.01); H01M 4/9016 (2013.01); H01M 4/9041 (2013.01); H01M 4/9075 (2013.01); H01M 12/04 (2013.01); H01M 12/08 (2013.01); H01M 2008/1095 (2013.01); Y02E 60/128 (2013.01);
Abstract
A gas diffusion electrode is described, especially for use in chloralkali electrolysis, said gas diffusion electrode having finely divided components on the liquid side. The electrode is notable for a low perviosity to gases and a lower operating voltage.