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:
Dec. 27, 1988
Filed:
Apr. 22, 1986
Applicant:
Inventors:
Hisatsugu Kaji, Iwaki, JP;
Kuniyuki Saitoh, Abiko, JP;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; H01M / ;
U.S. Cl.
CPC ...
428408 ; 428137 ; 428158 ; 429 44 ;
Abstract
Disclosed herein is a carbon product comprising at least two carbonaceous materials and one flexible graphite sheet interposed between said two carbonaceous materials, said two carbonaceous materials and said flexible graphite sheet having been joined together and integrated by calcination in an inert atmosphere as one carbon body, and the joining surface of at least one of said carbonaceous materials comprising both joining parts and non-joining parts which have an optional shape and are uniformly arranged on the joining surface, said carbon product as the electrode substrate of fuel cells, and a process for producing the same.