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Electrical Steel Sheet Adhesive Coating Composition, Electrical Steel Sheet Product, And Manufacturing Method Therefor
Abstract: An electrical steel sheet adhesive coating composition according to an embodiment of the present invention contains, relative to 100 wt% of all solids: 20-40 wt% of a resin having an average particle diameter of 10-300 nm; 10-35 wt% of inorganic nanoparticles combined with a resin; 10-30 wt% of a metal phosphate; and 10-40 wt% of phosphoric acid. An electrical steel sheet product according to an embodiment of the present invention comprises: a plurality of electrical steel sheets; and adhesive layers disposed between the plurality of electrical steel sheets, wherein the adhesive layers contain: 0.5-30 wt% of at least one metal of Al, Mg, Ca, Co, Zn, Zr, and Fe; 1-10 wt% of N; 0.1-5 wt% of C; 1-30 wt% of P; 10-30 wt% of at least one metal of Si and Ti, and the balance O.
Notices, Deadlines & Correspondence
Patent Information
Applicants
POSCO
Inventors
1. HA, Bongwoo
2. KIM, Jung-Woo
3. NO, Taeyoung
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202047030349.pdf | 2020-07-16 |
| 2 | 202047030349-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [16-07-2020(online)].pdf | 2020-07-16 |
| 3 | 202047030349-STATEMENT OF UNDERTAKING (FORM 3) [16-07-2020(online)].pdf | 2020-07-16 |
| 4 | 202047030349-REQUEST FOR EXAMINATION (FORM-18) [16-07-2020(online)].pdf | 2020-07-16 |
| 5 | 202047030349-FORM 18 [16-07-2020(online)].pdf | 2020-07-16 |
| 6 | 202047030349-FORM 1 [16-07-2020(online)].pdf | 2020-07-16 |
| 7 | 202047030349-DRAWINGS [16-07-2020(online)].pdf | 2020-07-16 |
| 8 | 202047030349-DECLARATION OF INVENTORSHIP (FORM 5) [16-07-2020(online)].pdf | 2020-07-16 |
| 9 | 202047030349-COMPLETE SPECIFICATION [16-07-2020(online)].pdf | 2020-07-16 |
| 10 | 202047030349-certified copy of translation [16-07-2020(online)].pdf | 2020-07-16 |
| 11 | 202047030349-Proof of Right [20-07-2020(online)].pdf | 2020-07-20 |
| 12 | 202047030349-FORM-26 [20-07-2020(online)].pdf | 2020-07-20 |
| 13 | 202047030349-FORM 3 [20-10-2020(online)].pdf | 2020-10-20 |
| 14 | 202047030349-FORM 3 [11-03-2021(online)].pdf | 2021-03-11 |
| 15 | 202047030349-certified copy of translation [11-03-2021(online)].pdf | 2021-03-11 |
| 16 | 202047030349-OTHERS [21-06-2021(online)].pdf | 2021-06-21 |
| 17 | 202047030349-FER_SER_REPLY [21-06-2021(online)].pdf | 2021-06-21 |
| 18 | 202047030349-DRAWING [21-06-2021(online)].pdf | 2021-06-21 |
| 19 | 202047030349-CORRESPONDENCE [21-06-2021(online)].pdf | 2021-06-21 |
| 20 | 202047030349-CLAIMS [21-06-2021(online)].pdf | 2021-06-21 |
| 21 | 202047030349-US(14)-HearingNotice-(HearingDate-09-11-2021).pdf | 2021-10-18 |
| 22 | 202047030349-FER.pdf | 2021-10-18 |
| 23 | 202047030349-Correspondence to notify the Controller [08-11-2021(online)].pdf | 2021-11-08 |
| 24 | 202047030349-Written submissions and relevant documents [15-11-2021(online)].pdf | 2021-11-15 |
| 25 | 202047030349-PatentCertificate13-01-2022.pdf | 2022-01-13 |
| 26 | 202047030349-IntimationOfGrant13-01-2022.pdf | 2022-01-13 |
| 27 | 202047030349-RELEVANT DOCUMENTS [05-09-2023(online)].pdf | 2023-09-05 |
Search Strategy
| 1 | SEARCHSTRATEGYE_20-12-2020.pdf |