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:
Jun. 11, 1985
Filed:
Sep. 26, 1983
Masatomo Shigeta, Iwaki, JP;
Hiroyuki Fukuda, Iwaki, JP;
Kuniyuki Saitoh, Iwaki, JP;
Hisatsugu Kaji, Iwaki, JP;
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A carbonaceous multilayer electrode substrate for a fuel cell disclosed herein has elongated holes for feeding reactant gases to the fuel cell. The electrode substrate comprises at least one porous carbonaceous layer having such holes. An electrode substrate of the invention comprises such a porous layer and a dense layer capable of effecting a function as a separator sheet. An another substrate of the invention comprises a dense layer and two such porous layers on both surfaces of the dense layer. A still another substrate comprises an extended dense layer and two such porous layers on both surfaces of the dense layer.