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. 08, 2015
Filed:
May. 17, 2006
Dharshini Chryshantha Fongalland, Slough, GB;
Pamela Kapila, Reading, GB;
Chandresh Nemchand Malde, Reading, GB;
Michael Ian Petch, Reading, GB;
Dharshini Chryshantha Fongalland, Slough, GB;
Pamela Kapila, Reading, GB;
Chandresh Nemchand Malde, Reading, GB;
Michael Ian Petch, Reading, GB;
JOHNSON MATTHEY FUEL CELLS LIMITED, London, GB;
Abstract
A polymer dispersion comprising one or more proton-conducting polymer materials in a liquid medium, and an electrocatalyst ink comprising one or more electrocatalyst materials and one or more proton-conducting polymer materials in a liquid medium are disclosed. The polymer dispersion and the electrocatalyst ink further comprise a protic acid. Electrocatalyst layers, gas diffusion electrodes, catalyzed membranes and membrane electrode assemblies prepared using the dispersion and/or the ink are also disclosed.