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.

Date of Patent:
May. 12, 2020

Filed:

Dec. 04, 2014
Applicant:

Posco, Pohang-si, Gyeongsangbuk-do, KR;

Inventors:

Min Soo Han, Pohang-si, KR;

Soon-Bok Park, Pohang-si, KR;

Bungkwan Shon, Pohang-si, KR;

Assignee:

POSCO, Pohang-si, Gyeongsangbuk-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 3/04 (2006.01); C23C 22/07 (2006.01); C21D 8/12 (2006.01); C23C 22/74 (2006.01); C23C 22/20 (2006.01); C23C 22/22 (2006.01); H01F 1/18 (2006.01); C21D 9/46 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/60 (2006.01); C23C 8/02 (2006.01); C23C 8/26 (2006.01); C23C 8/80 (2006.01); C23C 28/04 (2006.01); H01F 1/147 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C23C 22/07 (2013.01); C21D 3/04 (2013.01); C21D 8/1222 (2013.01); C21D 8/1233 (2013.01); C21D 8/1255 (2013.01); C21D 8/1261 (2013.01); C21D 8/1272 (2013.01); C21D 8/1283 (2013.01); C21D 8/1288 (2013.01); C21D 9/46 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/008 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/60 (2013.01); C23C 8/02 (2013.01); C23C 8/26 (2013.01); C23C 8/80 (2013.01); C23C 22/20 (2013.01); C23C 22/22 (2013.01); C23C 22/74 (2013.01); C23C 28/04 (2013.01); H01F 1/14775 (2013.01); H01F 1/18 (2013.01); C04B 2111/00525 (2013.01);
Abstract

A pre-coating agent composition for a grain-oriented electrical steel sheet, a grain-oriented electrical steel sheet including the same, and a manufacturing method thereof are provided. Particularly, a pre-coating agent composition for a grain-oriented electrical steel sheet including an acid containing boron (B); and a solvent, a grain-oriented electrical steel sheet including the same, and a manufacturing method thereof are provided.


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