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:
Mar. 22, 1988
Filed:
Jul. 02, 1986
Applicant:
Inventors:
Hiroko Kaneko, Ibaraki, JP;
Ken Nozaki, Ibaraki, JP;
Takeo Ozawa, Ibaraki, JP;
Koichi Oku, Tokyo, JP;
Takashi Shimanuki, Tokyo, JP;
Yoshinori Koga, Tokyo, JP;
Assignees:
Japan Metals and Chemical Co., Ltd., both of, JP;
Agency of Industrial Science and Technology, both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; C22B / ;
U.S. Cl.
CPC ...
429202 ; 429109 ; 423 53 ; 423150 ; 75 84 ; 75108 ;
Abstract
A process for producing an anolyte and a catholyte for redox cells which comprises the steps of heating chromium ore together with carbonaceous substances to produce a pre-reduced chromium product produced a part of iron and chromium in chromium ore, dissolving the pre-reduced chromium product in hydrochloric acid and/or sulfuric acid iron and chromium. Thus, the dissolving step can be simplified, the predetermined concentration can be simply regulated.