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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 10556404 B1

PDFFull Text
Date of Patent:
Feb. 11, 2020

Filed:

Nov. 26, 2014

Composition for non-oriented electrical steel sheet, method of manufacturing non-oriented electrical steel sheet product, and non-oriented electrical steel sheet product

Applicant:

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

Inventors:

Jung Woo Kim, Pohang-si, KR;

Heon-Jo Choi, Pohang-si, KR;

Byung-Chul Kim, Pohang-si, KR;

Assignee:

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

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Kregg T Brooks

Int. Cl.
CPC ...
B32B 15/18 (2006.01); C09D 163/00 (2006.01); C09J 163/00 (2006.01); B32B 15/092 (2006.01); C08K 3/105 (2018.01); B32B 7/12 (2006.01); B32B 15/04 (2006.01); B32B 37/06 (2006.01); B32B 37/12 (2006.01); B32B 37/18 (2006.01); C08K 3/22 (2006.01); C08K 3/32 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
B32B 15/18 (2013.01); B32B 7/12 (2013.01); B32B 15/043 (2013.01); B32B 15/092 (2013.01); B32B 37/06 (2013.01); B32B 37/1284 (2013.01); B32B 37/18 (2013.01); C08K 3/105 (2018.01); C09D 163/00 (2013.01); C09J 163/00 (2013.01); B32B 2255/06 (2013.01); B32B 2255/20 (2013.01); B32B 2255/26 (2013.01); B32B 2307/202 (2013.01); B32B 2307/208 (2013.01); B32B 2307/306 (2013.01); B32B 2311/30 (2013.01); B32B 2457/00 (2013.01); B32B 2605/00 (2013.01); C08K 3/22 (2013.01); C08K 3/32 (2013.01); C08K 3/36 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/2296 (2013.01); C08K 2003/329 (2013.01);
Abstract

A non-oriented electrical steel sheet composition, a manufacturing method of the non-oriented electrical steel sheet product, and a non-oriented electrical steel sheet product are provided, and the non-oriented electrical steel sheet composition includes a first composition including a soluble epoxy resin and an inorganic nanoparticle of SiO, TiO, ZnO, or combinations thereof, and an inorganic additive of phosphoric acid (HPO), sodium hydroxide (NaOH), or a combination thereof, wherein the inorganic nanoparticle is substituted in a terminal substituent group of the soluble epoxy resin, and the epoxy resin is a multifunctional epoxy resin in which there are three or more epoxy groups.

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