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:
Aug. 17, 2010
Filed:
Jul. 22, 2003
Applicants:
Toshiaki Mizoguchi, Tokai, JP;
Yoshiyuki Ueshima, Tokai, JP;
Jun Yamaguchi, Tokai, JP;
Yu Watanabe, Tokai, JP;
Akira Mikasa, Tokai, JP;
Hirotsugu Yasui, Tokai, JP;
Inventors:
Toshiaki Mizoguchi, Tokai, JP;
Yoshiyuki Ueshima, Tokai, JP;
Jun Yamaguchi, Tokai, JP;
Yu Watanabe, Tokai, JP;
Akira Mikasa, Tokai, JP;
Hirotsugu Yasui, Tokai, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/06 (2006.01); C21C 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A steel having few alumina clusters prepared by casting liquid steel deoxidized with Al, with the addition of one or more rare-earth metals (REM) selected from the group of Ce, La, Pr and Nd in which: