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. 28, 1999
Filed:
Apr. 29, 1998
Applicant:
Inventors:
Troy Berglind, Torslanda, SE;
Arne Frestad, Goteborg, SE;
Assignee:
Akzo Nobel N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23G / ; C23F / ; C09K / ; C11D / ;
U.S. Cl.
CPC ...
134-3 ; 156666 ; 216108 ; 510109 ;
Abstract
The invention relates to a method of pickling or surface treating a metal in an aqueous solution containing nitric acid wherein hydrogen peroxide is supplied to decrease the formation of nitrous fumes. At least a portion of the hydrogen peroxide is supplied by spraying or flushing an aqueous solution thereof directly on the metal through one or several separate nozzles (18a, 18b, 19a, 19b).
Berglind, Troy. (1999). Method of treating a metal (U.S. Patent No. 5958147). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5958147
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile