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:
Sep. 05, 2000
Filed:
Jan. 22, 1998
Applicant:
Inventors:
Takayuki Shimamune, Tokyo, JP;
Masashi Tanaka, Kanagawa, JP;
Shuhei Wakita, Kanagawa, JP;
Takahiro Ashida, Kanagawa, JP;
Yoshinori Nishiki, Kanagawa, JP;
Assignee:
Permelec Electrode Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25B / ; C25C / ; C25D / ;
U.S. Cl.
CPC ...
204265 ; 204263 ; 204266 ;
Abstract
An electrolytic cell for producing an alkali hydroxide using a gas diffusion cathode. A moistened oxygen-containing gas is uniformly supplied to the surface of the gas diffusion cathode by means of a gas distributing mechanism, such as at least one gas diffuser pipe having a plurality of openings facing the cathode surface.