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Mixed Powder, Mgo Particles, Method For Producing Grain Oriented Electrical Steel Sheet, Method For Producing Mgo Particles, And Method For Producing Mixed Powder
Abstract: A mixed powder for an annealing separating agent having MgO as a main ingredient, wherein the average particle diameter of the mixed powder is 0.10 to 8.50 µm, the mixed powder contains B, the content of B in the entire mixed powder is 0.005 mass% or more and less than 0.040 mass%, the proportion of 3-coordinate boron among the B is 5 mass% or more and less than 70 mass%, and the ratio of circumference to thickness of primary particles containing the MgO is 6.0 or more.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
21 February 2025
Publication Number
11/2025
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application
Applicants
NIPPON STEEL CORPORATION
6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
Inventors
1. YAMAGATA Ryutaro
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
2. TAKEDA Kazutoshi
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
3. TAKAHASHI Takafumi
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo
1008071
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202517015091-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [21-02-2025(online)].pdf | 2025-02-21 |
| 2 | 202517015091-STATEMENT OF UNDERTAKING (FORM 3) [21-02-2025(online)].pdf | 2025-02-21 |
| 3 | 202517015091-REQUEST FOR EXAMINATION (FORM-18) [21-02-2025(online)].pdf | 2025-02-21 |
| 4 | 202517015091-PROOF OF RIGHT [21-02-2025(online)].pdf | 2025-02-21 |
| 5 | 202517015091-PRIORITY DOCUMENTS [21-02-2025(online)].pdf | 2025-02-21 |
| 6 | 202517015091-POWER OF AUTHORITY [21-02-2025(online)].pdf | 2025-02-21 |
| 7 | 202517015091-FORM 18 [21-02-2025(online)].pdf | 2025-02-21 |
| 8 | 202517015091-FORM 1 [21-02-2025(online)].pdf | 2025-02-21 |
| 9 | 202517015091-DECLARATION OF INVENTORSHIP (FORM 5) [21-02-2025(online)].pdf | 2025-02-21 |
| 10 | 202517015091-COMPLETE SPECIFICATION [21-02-2025(online)].pdf | 2025-02-21 |
| 11 | 202517015091-FORM 3 [10-07-2025(online)].pdf | 2025-07-10 |