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Electrical Steel Sheet, And Electrical Steel Sheet Laminate
Abstract: The present invention relates to an electrical steel sheet and an electrical steel sheet laminate, and provided is an electrical steel sheet, comprising: an electrical steel sheet; and a polyurethane coating layer positioned on the electrical steel sheet, wherein the rebound elastic modulus of the polyurethane coating layer is 5% to 30%.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
17 July 2023
Publication Number
41/2023
Publication Type
INA
Invention Field
POLYMER TECHNOLOGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2025-03-21
Renewal Date
Applicants
POSCO CO., LTD
6261, Donghaean-ro, Nam-gu,
Pohang-si,
Gyeongsangbuk-do 37859
Inventors
1. HA, Bongwoo
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
2. KIM, Jungwoo
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
3. SEO, Kang
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
4. KANG, Daegyu
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
5. NO, Taeyoung
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
6. LEE, Donggyu
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
7. PARK, Gyeongryeol
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu, Pohang-si,
Gyeongsangbuk-do 37859
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202337047930-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [17-07-2023(online)].pdf | 2023-07-17 |
| 2 | 202337047930-STATEMENT OF UNDERTAKING (FORM 3) [17-07-2023(online)].pdf | 2023-07-17 |
| 3 | 202337047930-REQUEST FOR EXAMINATION (FORM-18) [17-07-2023(online)].pdf | 2023-07-17 |
| 4 | 202337047930-PRIORITY DOCUMENTS [17-07-2023(online)].pdf | 2023-07-17 |
| 5 | 202337047930-POWER OF AUTHORITY [17-07-2023(online)].pdf | 2023-07-17 |
| 6 | 202337047930-NOTIFICATION OF INT. APPLN. NO. & FILING DATE (PCT-RO-105-PCT Pamphlet) [17-07-2023(online)].pdf | 2023-07-17 |
| 7 | 202337047930-FORM 18 [17-07-2023(online)].pdf | 2023-07-17 |
| 8 | 202337047930-FORM 1 [17-07-2023(online)].pdf | 2023-07-17 |
| 9 | 202337047930-DRAWINGS [17-07-2023(online)].pdf | 2023-07-17 |
| 10 | 202337047930-DECLARATION OF INVENTORSHIP (FORM 5) [17-07-2023(online)].pdf | 2023-07-17 |
| 11 | 202337047930-COMPLETE SPECIFICATION [17-07-2023(online)].pdf | 2023-07-17 |
| 12 | 202337047930-Proof of Right [03-08-2023(online)].pdf | 2023-08-03 |
| 13 | 202337047930-FORM 3 [29-12-2023(online)].pdf | 2023-12-29 |
| 14 | 202337047930-FER.pdf | 2024-09-26 |
| 15 | 202337047930-FORM 3 [29-10-2024(online)].pdf | 2024-10-29 |
| 16 | 202337047930-OTHERS [20-03-2025(online)].pdf | 2025-03-20 |
| 17 | 202337047930-FER_SER_REPLY [20-03-2025(online)].pdf | 2025-03-20 |
| 18 | 202337047930-CLAIMS [20-03-2025(online)].pdf | 2025-03-20 |
| 19 | 202337047930-PatentCertificate21-03-2025.pdf | 2025-03-21 |
| 20 | 202337047930-IntimationOfGrant21-03-2025.pdf | 2025-03-21 |
Search Strategy
| 1 | 202337047930E_25-09-2024.pdf |