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:
Jun. 22, 1976
Filed:
Aug. 02, 1973
Applicant:
Inventors:
Hiroshi Shin, Yokkaichi, JA;
Junichiro Sugano, Yokkaichi, JA;
Tadashi Yoshii, Tokyo, JA;
Kichiro Iwamoto, Yokkaichi, JA;
Yasuhisa Kuriyama, Yokkaichi, JA;
Minoru Kakuda, Yokkaichi, JA;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423588 ; 260369 ;
Abstract
A working solution comprising anthraquinone and its derivatives, used for the production of hydrogen peroxide on becoming degraded by formation of non-effective anthraquinone is generated by an auto-oxidation process employing anthraquinone, which comprises: