Insulation Coating Composition For Electrical Steel Sheet, Electrical

Insulation Coating Composition For Electrical Steel Sheet, Electrical Steel Sheet, And Method For Manufacturing Same

Abstract: An insulation coating composition for an electrical steel sheet according to an embodiment of the present invention comprises: 100 weight parts silica; 50-200 weight parts metal hydrofluoric acid; 5-150 weight parts vanadate; and 30-300 weight parts resin.

Patent Information

Application #

Filing Date

26 March 2026

Publication Number

15/2026

Publication Type

INA

Invention Field

CHEMICAL

Status

Email

Parent Application

Applicants

POSCO CO., LTD

6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

Inventors

1. KIM, Hyunjong

6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

2. KWON, Minserk

6261, Donghaean-ro, Nam-gu, Pohang-si, Gyeongsangbuk-do 37859

Specification

Documents

Application Documents

#	Name	Date
1	202647037008-TRANSLATION OF PRIORITY DOCUMENTS ETC. [26-03-2026(online)].pdf	2026-03-26
2	202647037008-STATEMENT OF UNDERTAKING (FORM 3) [26-03-2026(online)].pdf	2026-03-26
3	202647037008-PROOF OF RIGHT [26-03-2026(online)].pdf	2026-03-26
4	202647037008-PRIORITY DOCUMENTS [26-03-2026(online)].pdf	2026-03-26
5	202647037008-POWER OF AUTHORITY [26-03-2026(online)].pdf	2026-03-26
6	202647037008-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [26-03-2026(online)].pdf	2026-03-26
7	202647037008-FORM 18 [26-03-2026(online)].pdf	2026-03-26
8	202647037008-FORM 1 [26-03-2026(online)].pdf	2026-03-26
9	202647037008-DRAWINGS [26-03-2026(online)].pdf	2026-03-26
10	202647037008-DECLARATION OF INVENTORSHIP (FORM 5) [26-03-2026(online)].pdf	2026-03-26
11	202647037008-COMPLETE SPECIFICATION [26-03-2026(online)].pdf	2026-03-26
12	202647037008-PATENT_APPLICATION_PUBLICATION.pdf	2026-04-11
13	202647037008-FORM 3 [04-05-2026(online)].pdf	2026-05-04