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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 11773462 B1

PDFFull Text
Date of Patent:
Oct. 03, 2023

Filed:

Dec. 21, 2017

Annealing separator composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet

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:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Karl E Group

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.

Find Patent Forward Citations

Kwon, Min. (2023). Annealing separator composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for producing grain-oriented electrical steel sheet (U.S. Patent No. 11773462). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11773462

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

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