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:
Mar. 17, 2026
Filed:
Jan. 25, 2024
W. L. Gore & Associates, Inc., Newark, DE (US);
W. L. Gore & Associates G.k., Tokyo, JP;
Mark D. Edmundson, Rancho Palos Verdes, CA (US);
Masashi Maruyama, Tokyo, JP;
Atsushi Sakamoto, Tokyo, JP;
Masaki Tani, Tokyo, JP;
Abstract
There is provided a process for the manufacture of an electrode layer composition for electrochemical devices, such as for fuel cells. Also provided is an electrode layer composition, such as a composition obtainable by the disclosed process. The electrode layer composition comprises electrode liquid carrier, catalyst and ion exchange material, wherein at least a portion of the ion exchange material is bound to the catalyst and the weight ratio of ion exchange material bound to the catalyst compared to the total amount of ion exchange material in the composition is at least 0.3. A method for the determination of the bound ratio of an electrode layer composition is also disclosed.