logo

For the Inventor, By the Inventor

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.:

US 4235684 B1

PDFFull Text
Date of Patent:
Nov. 25, 1980

Filed:

Nov. 29, 1979

Process for producing glyoxalic acid by electrolytic oxidation

Applicant:
Inventors:

Hiroyuki Harada, Yokohama, JP;

Kazuhiro Hirao, Ichihara, JP;

Tadayuki Mitani, Arai, JP;

Masaaki Ichino, Arai, JP;

Assignees:

Chlorine Engineers Corp., Ltd., Tokyo, JP;

Daicel Chemical Industries Ltd., Sakai, JP;

Attorney:

Sughrue, Rothwell, Mion, Zinn and Macpeak

Primary Examiner:

R L Andrews

Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204 79 ;
Abstract

A process for producing glyoxalic acid which comprises electrolytically oxidizing glyoxal in an electrolytic cell comprising at least one anode, at least one cathode and at least one cation exchange membrane therebetween to define an anode compartment(s) and a cathode compartment(s) therein, using an aqueous solution containing glyoxal and halogen ions as an anolyte solution and an aqueous solution containing an inorganic or organic electrolyte as a catholyte solution.

Find Patent Forward Citations

Harada, Hiroyuki. (1980). Process for producing glyoxalic acid by electrolytic oxidation (U.S. Patent No. 4235684). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4235684

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…