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. 31, 2019
Filed:
Jan. 09, 2015
Applicant:
Posco, Pohang-si, Gyeongsangbuk-do, KR;
Inventors:
Kyoo-Young Lee, Gwangyang-si, KR;
Jai-Hyun Kwak, Gwangyang-si, KR;
Joo-Hyun Ryu, Gwangyang-si, KR;
Dong-Seoug Sin, Gwangyang-si, KR;
Se-Don Choo, Gwangyang-si, KR;
Assignee:
POSCO, Pohang-si, Gyeongsangbuk-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D 9/46 (2006.01); C22C 38/06 (2006.01); C21D 8/02 (2006.01); C22C 38/02 (2006.01); C21D 1/20 (2006.01); C21D 1/22 (2006.01); C22C 38/12 (2006.01); C22C 38/44 (2006.01); C23C 2/02 (2006.01); C23C 2/06 (2006.01); C23C 2/28 (2006.01); C22C 38/04 (2006.01); B32B 15/01 (2006.01); C22C 38/00 (2006.01); C22C 38/08 (2006.01); C22C 38/14 (2006.01); C23C 2/40 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); B32B 15/013 (2013.01); C21D 1/20 (2013.01); C21D 1/22 (2013.01); C21D 8/0226 (2013.01); C21D 8/0236 (2013.01); C21D 8/0263 (2013.01); C21D 8/0273 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); C22C 38/14 (2013.01); C22C 38/44 (2013.01); C23C 2/02 (2013.01); C23C 2/06 (2013.01); C23C 2/28 (2013.01); C23C 2/40 (2013.01); C21D 2211/001 (2013.01); C21D 2211/002 (2013.01); C21D 2211/005 (2013.01); C21D 2211/008 (2013.01);
Abstract
The present invention relates to: a high-strength steel sheet used for construction materials and transportation means such as vehicles and trains and, more specifically, to a high-strength cold rolled steel sheet having excellent ductility, a hot-dip galvanized steel sheet, and a method for manufacturing the same.