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:
Oct. 02, 1984
Filed:
Jul. 08, 1982
Applicant:
Inventors:
Itsuaki Matsuda, Yokohama, JP;
Tadao Takase, Yokohama, JP;
Assignee:
Showa Denko K.K., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204296 ; 204295 ;
Abstract
An improved diaphragm for electrolysis, said diaphragm being composed of a fibrous base material of asbestos or a mixture of asbestos and fluorine-containing fibers and existing in the interstices of said base material, a water-swellable micaceous mineral represented by the following general formula