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:
Dec. 22, 1998
Filed:
Sep. 22, 1997
Applicant:
Inventors:
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423584 ;
Abstract
A purified aqueous solution of hydrogen peroxide is produced by contacting an aqueous solution of hydrogen peroxide containing organic impurities with a hydrophilic porous resin (the product under a tradename 'WOFATIT EP63', etc.) having a specific surface area of not less than 800 m.sup.2 /g to remove the organic impurities in the aqueous solution of hydrogen peroxide.