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. 23, 2019
Filed:
Dec. 10, 2014
3m Innovative Properties Company, St. Paul, MN (US);
Daniel M. Pierpont, North Saint Paul, MN (US);
Joseph W. Frisk, Oakdale, MN (US);
Eric J. Hanson, Hudson, WI (US);
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Abstract
Membrane electrode assembly comprising a first gas diffusion layer having a first microporous layer on a major surface thereof, wherein the first microporous layer has a major surface, wherein the major surface of the first microporous layer has discontinuous areas therein substantially free of microporous material, and wherein at least a portion of the first discontinuous areas has adhesive therein; and methods for making the same. Membrane electrode assemblies described herein are useful, for example, in fuel cells.