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Grain Oriented Electrical Steel Sheet And Manufacturing Method Therefor
Abstract: A grain-oriented electrical steel sheet according to an embodiment of the present invention comprises, by weight %, 2.0 to 4.5% of Si, 0.005% or less (0% exclusive) of C, 0.001 to 0.08% of Mn, 0.001 to 0.1% of P, 0.001 to 0.1% of Cu, 0.0005 to 0.05% of S, 0.0005 to 0.05% of Se, 0.0001 to 0.01% of B, 0.01 to 0.2% of Mo, and the balance of Fe and inevitable impurities. A sum of S and Se amounts to 0.005 to 0.05 weight %.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
17 July 2020
Publication Number
40/2020
Publication Type
INA
Invention Field
METALLURGY
Status
Email
durgesh@knspartners.com
Parent Application
Applicants
POSCO
(Goedong-dong)
6261, Donghaean-ro
Nam-gu, Pohang-si
Gyeongsangbuk-do 37859
Inventors
1. HAN, Kyu-Seok
c/o POSCO, (Goedong-dong)
6261, Donghaean-ro, Nam-gu
Pohang-si
Gyeongsangbuk-do 37859
2. KIM, Jae Kyoum
c/o POSCO, (Goedong-dong)
6261, Donghaean-ro, Nam-gu,
Pohang-si, Gyeongsangbuk-do 37859
3. PARK, Chang Soo
c/o POSCO, (Goedong-dong)
6261, Donghaean-ro, Nam-gu
Pohang-si
Gyeongsangbuk-do 37859
4. SEO, Jin-Wook
c/o POSCO, (Goedong-dong) 6261, Donghaean-ro,
Nam-gu Pohang-si
Gyeongsangbuk-do 37859
5. PARK, Jong-Tae
c/o POSCO, (Goedong-dong)
6261, Donghaean-ro, Nam-gu
Pohang-si, Gyeongsangbuk-do 37859
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202047030516-PRE GRANT OPPOSITION DOCUMENT [14-09-2022(online)].pdf | 2022-09-14 |
| 1 | 202047030516.pdf | 2020-07-17 |
| 2 | 202047030516-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [17-07-2020(online)].pdf | 2020-07-17 |
| 2 | 202047030516-PRE GRANT OPPOSITION FORM [14-09-2022(online)].pdf | 2022-09-14 |
| 3 | 202047030516-STATEMENT OF UNDERTAKING (FORM 3) [17-07-2020(online)].pdf | 2020-07-17 |
| 3 | 202047030516-CLAIMS [28-02-2022(online)].pdf | 2022-02-28 |
| 4 | 202047030516-REQUEST FOR EXAMINATION (FORM-18) [17-07-2020(online)].pdf | 2020-07-17 |
| 4 | 202047030516-FER_SER_REPLY [28-02-2022(online)].pdf | 2022-02-28 |
| 5 | 202047030516-PROOF OF RIGHT [17-07-2020(online)].pdf | 2020-07-17 |
| 5 | 202047030516-FORM 3 [28-02-2022(online)].pdf | 2022-02-28 |
| 6 | 202047030516-POWER OF AUTHORITY [17-07-2020(online)].pdf | 2020-07-17 |
| 6 | 202047030516-Information under section 8(2) [28-02-2022(online)].pdf | 2022-02-28 |
| 7 | 202047030516-OTHERS [28-02-2022(online)].pdf | 2022-02-28 |
| 7 | 202047030516-FORM 18 [17-07-2020(online)].pdf | 2020-07-17 |
| 8 | 202047030516-FORM 1 [17-07-2020(online)].pdf | 2020-07-17 |
| 8 | 202047030516-FER.pdf | 2021-10-18 |
| 9 | 202047030516-FIGURE OF ABSTRACT [17-07-2020(online)].jpg | 2020-07-17 |
| 9 | 202047030516-Correspondence, Form-1_14-10-2021.pdf | 2021-10-14 |
| 10 | 202047030516-DRAWINGS [17-07-2020(online)].pdf | 2020-07-17 |
| 10 | 202047030516-FORM 3 [13-10-2020(online)].pdf | 2020-10-13 |
| 11 | 202047030516-COMPLETE SPECIFICATION [17-07-2020(online)].pdf | 2020-07-17 |
| 11 | 202047030516-DECLARATION OF INVENTORSHIP (FORM 5) [17-07-2020(online)].pdf | 2020-07-17 |
| 12 | 202047030516-COMPLETE SPECIFICATION [17-07-2020(online)].pdf | 2020-07-17 |
| 12 | 202047030516-DECLARATION OF INVENTORSHIP (FORM 5) [17-07-2020(online)].pdf | 2020-07-17 |
| 13 | 202047030516-DRAWINGS [17-07-2020(online)].pdf | 2020-07-17 |
| 13 | 202047030516-FORM 3 [13-10-2020(online)].pdf | 2020-10-13 |
| 14 | 202047030516-Correspondence, Form-1_14-10-2021.pdf | 2021-10-14 |
| 14 | 202047030516-FIGURE OF ABSTRACT [17-07-2020(online)].jpg | 2020-07-17 |
| 15 | 202047030516-FER.pdf | 2021-10-18 |
| 15 | 202047030516-FORM 1 [17-07-2020(online)].pdf | 2020-07-17 |
| 16 | 202047030516-FORM 18 [17-07-2020(online)].pdf | 2020-07-17 |
| 16 | 202047030516-OTHERS [28-02-2022(online)].pdf | 2022-02-28 |
| 17 | 202047030516-Information under section 8(2) [28-02-2022(online)].pdf | 2022-02-28 |
| 17 | 202047030516-POWER OF AUTHORITY [17-07-2020(online)].pdf | 2020-07-17 |
| 18 | 202047030516-FORM 3 [28-02-2022(online)].pdf | 2022-02-28 |
| 18 | 202047030516-PROOF OF RIGHT [17-07-2020(online)].pdf | 2020-07-17 |
| 19 | 202047030516-REQUEST FOR EXAMINATION (FORM-18) [17-07-2020(online)].pdf | 2020-07-17 |
| 19 | 202047030516-FER_SER_REPLY [28-02-2022(online)].pdf | 2022-02-28 |
| 20 | 202047030516-STATEMENT OF UNDERTAKING (FORM 3) [17-07-2020(online)].pdf | 2020-07-17 |
| 20 | 202047030516-CLAIMS [28-02-2022(online)].pdf | 2022-02-28 |
| 21 | 202047030516-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [17-07-2020(online)].pdf | 2020-07-17 |
| 21 | 202047030516-PRE GRANT OPPOSITION FORM [14-09-2022(online)].pdf | 2022-09-14 |
| 22 | 202047030516.pdf | 2020-07-17 |
| 22 | 202047030516-PRE GRANT OPPOSITION DOCUMENT [14-09-2022(online)].pdf | 2022-09-14 |
Search Strategy
| 1 | 202047030516E_31-08-2021.pdf |