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. 22, 1998
Filed:
Nov. 27, 1996
Applicant:
Inventors:
Charlotte Angel, Goteborg, SE;
Troy Berglind, Torslanda, SE;
Arne Frestad, Goteborg, SE;
Sven-Eric Lunner, Avesta, SE;
Anders Waleij, Borlange, SE;
Assignee:
EKA Chemicals AB, Bohus, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23G / ; C23G / ;
U.S. Cl.
CPC ...
134-2 ; 134-3 ; 134 10 ;
Abstract
The invention relates to a method for pickling steel in an acidic aqueous pickling solution containing Fe.sup.3+ and Fe.sup.2+, wherein the steel is contacted with pickling solution that continuously is brought to circulate through a conduit into which hydrogen peroxide is supplied to oxidize Fe.sup.2+ to Fe.sup.3+.
Angel, Charlotte. (1998). Method at treatment of metals (U.S. Patent No. 5810939). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5810939
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile