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:
May. 19, 1987
Filed:
Sep. 03, 1985
Applicant:
Inventors:
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
428188 ; 428224 ; 428255 ; 428332 ; 428408 ; 429 34 ; 429 44 ;
Abstract
A porous carbonaceous electrode substrate for a fuel cell disclosed herein has elongated holes for feeding reactant gases to the fuel cell. The holes are elongated from one side to the opposite side of the substrate and parallel to each other and to the electrode surface.