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:
Oct. 03, 2023
Filed:
Dec. 21, 2017
Applicant:
Posco, Pohang-si, KR;
Inventors:
Min Serk Kwon, Pohang-si, KR;
Chang Soo Park, Pohang-si, KR;
Heon-Jo Choi, Pohang-si, KR;
Se-Min Park, Pohang-si, KR;
Assignee:
POSCO CO., LTD, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/04 (2006.01); C04B 35/185 (2006.01); C21D 9/46 (2006.01); C04B 35/622 (2006.01); C04B 35/64 (2006.01); C21D 1/68 (2006.01); C21D 6/00 (2006.01); C21D 8/00 (2006.01); C21D 8/12 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/08 (2006.01);
U.S. Cl.
CPC ...
C21D 9/46 (2013.01); C04B 35/185 (2013.01); C04B 35/62222 (2013.01); C04B 35/64 (2013.01); C21D 1/68 (2013.01); C21D 6/001 (2013.01); C21D 6/005 (2013.01); C21D 6/008 (2013.01); C21D 8/005 (2013.01); C21D 8/1272 (2013.01); C22C 38/001 (2013.01); C22C 38/008 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C04B 2235/3206 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3262 (2013.01); C04B 2235/3279 (2013.01); C04B 2235/3293 (2013.01); C04B 2235/3294 (2013.01); C04B 2235/3409 (2013.01); C04B 2235/3463 (2013.01); C04B 2235/386 (2013.01); C04B 2235/3826 (2013.01); C04B 2235/447 (2013.01); C04B 2235/787 (2013.01); C22C 2202/02 (2013.01);
Abstract
The present invention provides an annealing separator composition, a grain-oriented electrical steel sheet and a method for manufacturing a grain-oriented electrical steel sheet. An annealing separator composition for a grain-oriented electrical steel sheet according to an embodiment of present invention comprising: on the basis of total solid 100 wt %, 5 to 70 wt % of mullite; and the remainder being magnesium oxide or magnesium hydroxide.