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. 24, 1991
Filed:
Aug. 21, 1990
Applicant:
Inventors:
Yukiei Matsumoto, Kanagawa, JP;
Takanobu Hayashi, Kanagawa, JP;
Assignee:
Permelec Electrode Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210639 ; 210634 ; 210748 ; 210754 ; 210756 ; 210758 ; 210759 ; 210760 ; 210912 ;
Abstract
A process for recovering sulfuric acid from an aqueous sulfuric acid solution containing ferrous sulfate is disclosed, which comprises electrolyzing the aqueous sulfuric acid solution containing ferrous sulfate to thereby oxidize ferrous ion dissolved in the solution to ferric ion, and then removing the ferric ion by solvent extraction using a solvent and an extractant.
Matsumoto, Yukiei. (1991). Process for recovering sulfuric acid (U.S. Patent No. 5051187). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5051187
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile