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. 20, 2025
Filed:
Mar. 09, 2021
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Shinichi Furuya, Tokyo, JP;
Takeshi Matsuda, Tokyo, JP;
Assignee:
JFE STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 9/46 (2006.01); B32B 15/082 (2006.01); B32B 15/18 (2006.01); C21D 8/02 (2006.01); C23C 26/00 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); B32B 15/082 (2013.01); B32B 15/18 (2013.01); C21D 8/0236 (2013.01); C23C 26/00 (2013.01); B32B 2325/00 (2013.01); B32B 2333/00 (2013.01); B32B 2391/00 (2013.01);
Abstract
Provided is a cold rolled steel sheet with excellent press formability, which contains a binder satisfying specific requirements and wax satisfying specific requirements, and has a layer containing the wax in a specific mass ratio at a specific coating weight.