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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 12157921 B1

PDFFull Text
Date of Patent:
Dec. 03, 2024

Filed:

Mar. 19, 2019

Coating liquid for forming insulation coating for grain-oriented electrical steel sheet, method of manufacturing grain-oriented electrical steel sheet, and grain-oriented electrical steel sheet

Applicant:

Nippon Steel Corporation, Tokyo, JP;

Inventors:

Shuichi Yamazaki, Tokyo, JP;

Kazutoshi Takeda, Tokyo, JP;

Hiroyasu Fujii, Tokyo, JP;

Toru Nagai, Tokyo, JP;

Assignee:

NIPPON STEEL CORPORATION, Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Anthony M Liang

Assistant Examiner:

Danny N Kang

Int. Cl.
CPC ...
C21D 8/12 (2006.01); C09D 1/00 (2006.01); C09D 7/40 (2018.01); C09D 7/61 (2018.01); C23C 30/00 (2006.01);
U.S. Cl.
CPC ...
C21D 8/1283 (2013.01); C09D 1/00 (2013.01); C09D 7/61 (2018.01); C09D 7/69 (2018.01); C21D 8/1244 (2013.01); C23C 30/00 (2013.01); C21D 2201/05 (2013.01); C23C 2222/00 (2013.01);
Abstract

In the present invention, there is provided a coating liquid for forming an insulation coating for a grain-oriented electrical steel sheet, including: a solvent; and one or two more layered clay mineral powders having a specific surface area of 20 m/g or more. In addition, in the present invention, there is provided a grain-oriented electrical steel sheet including: a base metal; and an insulation coating provided on a surface of the base metal, in which the insulation coating contains SiO, and one or two of AlOand MgO, and has a porosity of 10% or less.

Find Patent Forward Citations

Yamazaki, Shuichi. (2024). Coating liquid for forming insulation coating for grain-oriented electrical steel sheet, method of manufacturing grain-oriented electrical steel sheet, and grain-oriented electrical steel sheet (U.S. Patent No. 12157921). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12157921

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

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