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:
May. 25, 1999
Filed:
Oct. 12, 1994
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
2102572 ; 210259 ; 2101952 ; 210263 ;
Abstract
Impurities are removed from aqueous hydrogen peroxide by treating the aqueous hydrogen peroxide by reverse osmosis, cation-exchanging the aqueous hydrogen peroxide and anion-exchanging the aqueous hydrogen peroxide, and the treated ultra-pure hydrogen peroxide can be used in the electronics industries.
Morisaki, Akira. (1999). Apparatus and method for removing impurities from aqueous hydrogen (U.S. Patent No. 5906738). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5906738
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile