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. 13, 2010
Filed:
Jul. 27, 2001
Karl-anton Starz, Rodenbach, DE;
Ralf Zuber, Grossostheim, DE;
Anita Krämer, Neuberg, DE;
Knut Fehl, Schlüchtern-Ramholz, DE;
Joachim Köhler, Bruchköbel, DE;
Sandra Wittpahl, Obertshausen, DE;
Karl-Anton Starz, Rodenbach, DE;
Ralf Zuber, Grossostheim, DE;
Anita Krämer, Neuberg, DE;
Knut Fehl, Schlüchtern-Ramholz, DE;
Joachim Köhler, Bruchköbel, DE;
Sandra Wittpahl, Obertshausen, DE;
Umicore AG & Co. KG, Hanau-Wolfgang, DE;
Abstract
An ink is disclosed for producing membrane electrode assemblies for fuel cells which contains a catalyst material, an ionomer, water and an organic solvent. The ink is characterized in that the organic solvent is at least one compound from the group of linear dialcohols with a flash point higher than 100° C. and is present in the ink in a concentration between 1 and 50 wt. %, with respect to the weight of water.