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:
Jun. 06, 2023
Filed:
Dec. 22, 2015
Applicant:
Posco, Pohang-si, KR;
Inventors:
Min Soo Han, Pohang-si, KR;
Hyung Don Joo, Pohang-si, KR;
Hyung Ki Park, Pohang-si, KR;
Jae-Keun Shin, Pohang-si, KR;
Chang-Soo Kim, Pohang-si, KR;
Assignee:
POSCO Co., Ltd, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 8/12 (2006.01); C22C 38/00 (2006.01); C23C 22/22 (2006.01); C22C 38/02 (2006.01); C23C 22/74 (2006.01); C21D 1/30 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/18 (2006.01); C22C 38/60 (2006.01);
U.S. Cl.
CPC ...
C21D 8/1283 (2013.01); C21D 1/30 (2013.01); C21D 8/12 (2013.01); C21D 8/1222 (2013.01); C21D 8/1233 (2013.01); C21D 8/1255 (2013.01); C21D 8/1272 (2013.01); C22C 38/00 (2013.01); C22C 38/001 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/18 (2013.01); C22C 38/60 (2013.01); C23C 22/22 (2013.01); C23C 22/74 (2013.01);
Abstract
The present invention relates to a composition for forming an insulation coating film of an oriented electrical steel sheet, including a first component (A) including a composite metal phosphate, a derivative thereof, or a mixture thereof, and a second component (B) including at least two colloidal silicas having different average particle diameters, a method for forming an insulation coating film using the same, and an oriented electrical steel sheet having an insulation coating film formed thereon.