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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.:

US 10570472 B1

PDFFull Text
Date of Patent:
Feb. 25, 2020

Filed:

Dec. 10, 2013

Method of annealing steel sheets

Applicant:

Arcelormittal;

Inventors:

John Rotole, Valparaiso, IN (US);

Jonas Staudte, Montigny-les-Metz, FR;

Jean-Michel Mataigne, Senlis, FR;

Assignee:

ArcelorMittal, Luxembourg, LU;

Attorney:

Davidson, Davidson & Kappel, LLC

Primary Examiner:

Lois L Zheng

Int. Cl.
CPC ...
C21D 9/46 (2006.01); C23C 8/14 (2006.01); C22C 38/38 (2006.01); C21D 1/26 (2006.01); C23C 2/06 (2006.01); C23C 2/28 (2006.01); C23C 8/18 (2006.01); C21D 1/68 (2006.01); C21D 8/02 (2006.01); C23C 2/02 (2006.01); C23C 8/80 (2006.01); C21D 6/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/12 (2006.01); C22C 38/26 (2006.01); C22C 38/28 (2006.01); C22C 38/32 (2006.01); C23C 2/40 (2006.01); C21D 1/76 (2006.01); C21D 9/56 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); C21D 1/26 (2013.01); C21D 1/68 (2013.01); C21D 6/002 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/0278 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/12 (2013.01); C22C 38/26 (2013.01); C22C 38/28 (2013.01); C22C 38/32 (2013.01); C22C 38/38 (2013.01); C23C 2/02 (2013.01); C23C 2/06 (2013.01); C23C 2/28 (2013.01); C23C 2/40 (2013.01); C23C 8/14 (2013.01); C23C 8/18 (2013.01); C23C 8/80 (2013.01); C21D 1/76 (2013.01); C21D 9/56 (2013.01);
Abstract

A method of annealing of steel sheets is provided which includes a first step consisting in fully oxidizing the surface of such steel sheet thus creating a fully oxided surface layer, a second step consisting in selectively oxidizing elements other than iron of such steel, in an area extending under said fully oxided layer, thus creating a selectively oxided internal layer and a third step consisting in fully reducing said fully oxided surface layer.

Find Patent Forward Citations

Rotole, John. (2020). Method of annealing steel sheets (U.S. Patent No. 10570472). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10570472

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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