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:
Apr. 06, 1982
Filed:
Dec. 18, 1980
Applicant:
Inventors:
Eiji Itoi, Shikawatashi, JP;
Takashi Nakayama, Nishinomiya, JP;
Makoto Nakao, Yokohama, JP;
Yukio Matsumura, Iakatsuki, JP;
Assignee:
Asahi Glass Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 98 ; 204 96 ; 204128 ; 423179 ; 423183 ; 423184 ; 423197 ; 4231 / ;
Abstract
A purification of an aqueous solution of potassium chloride which is used for producing potassium hydroxide by an electrolysisin an electrolytic cell using a cation exchange membrane is carried out by incorporating an oxidizing reagent to remove additives as an anticaking reagent.