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EP4265794
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EP About this file: EP4265794
| EP4265794 - STEEL MATERIAL HAVING LOW SURFACE HARDNESS AND EXCELLENT LOW TEMPERATURE IMPACT TOUGHNESS, AND METHOD FOR MANUFACTURING SAME [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 22.09.2023 Database last updated on 31.05.2024 | |
| Former | The international publication has been made Status updated on 25.06.2022 | Most recent event Tooltip | 16.02.2024 | Change: Validation states | published on 20.03.2024 [2024/12] | 16.02.2024 | Change - extension states | published on 20.03.2024 [2024/12] | Applicant(s) | For all designated states POSCO Co., Ltd 6261, Donghaean-ro Nam-gu Pohang-si, Gyeongsangbuk-do 37859 / KR | [2023/43] | Inventor(s) | 01 /
SO, Tae-Il Gwangyang-Si, Jeollanam-do 57807 / KR | 02 /
KANG, Sang-Deok Gwangyang-Si, Jeollanam-do 57807 / KR | [2023/43] | Representative(s) | Meissner Bolte Partnerschaft mbB Patentanwälte Rechtsanwälte Postfach 86 06 24 81633 München / DE | [2023/43] | Application number, filing date | 21906886.3 | 17.11.2021 | [2023/43] | WO2021KR16895 | Priority number, date | KR20200175617 | 15.12.2020 Original published format: KR 20200175617 | [2023/43] | Filing language | KO | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2022131581 | Date: | 23.06.2022 | Language: | KO | [2022/25] | Type: | A1 Application with search report | No.: | EP4265794 | Date: | 25.10.2023 | Language: | EN | [2023/43] | Search report(s) | International search report - published on: | KR | 23.06.2022 | Classification | IPC: | C22C38/58, C22C38/50, C22C38/48, C22C38/46, C22C38/44, C21D9/46, C21D8/04 | [2023/43] | CPC: |
C22C38/02 (EP,US);
C22C38/58 (EP,KR,US);
C21D1/18 (EP);
C21D1/26 (EP);
C21D8/0226 (EP,US);
C21D8/0263 (EP,US);
C21D8/0447 (KR);
C21D9/46 (EP,KR);
C21D9/50 (EP);
C22C38/001 (US);
C22C38/002 (US);
C22C38/04 (EP);
C22C38/06 (US);
C22C38/44 (EP,KR,US);
C22C38/46 (EP,KR,US);
C22C38/48 (EP,KR,US);
C22C38/50 (EP,KR,US);
C21D2211/002 (EP,KR,US);
| Designated contracting states | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2023/43] | Title | German: | STAHLMATERIAL MIT NIEDRIGER OBERFLÄCHENHÄRTE UND HERVORRAGENDER TIEFTEMPERATURSCHLAGZÄHIGKEIT UND VERFAHREN ZUR HERSTELLUNG DAVON | [2023/43] | English: | STEEL MATERIAL HAVING LOW SURFACE HARDNESS AND EXCELLENT LOW TEMPERATURE IMPACT TOUGHNESS, AND METHOD FOR MANUFACTURING SAME | [2023/43] | French: | MATÉRIAU D'ACIER AYANT UNE FAIBLE DURETÉ DE SURFACE ET UNE EXCELLENTE TÉNACITÉ À L'IMPACT À BASSE TEMPÉRATURE, ET SON PROCÉDÉ DE FABRICATION | [2023/43] | Entry into regional phase | 21.06.2023 | Translation filed | 21.06.2023 | National basic fee paid | 21.06.2023 | Search fee paid | 21.06.2023 | Designation fee(s) paid | 21.06.2023 | Examination fee paid | Examination procedure | 21.06.2023 | Examination requested [2023/43] | Fees paid | Renewal fee | 24.11.2023 | Renewal fee patent year 03 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Cited in | International search | [A]JP2011225975 (KOBE STEEL LTD) [A] 1-11 * See claims 1-4 and 7. *; | [A]JP6048621B (NIPPON STEEL & SUMITOMO METAL CORPORATION) [A] 1-11 * See paragraph [0076] and claims 1-3 and 6. *; | [A]KR101778598B (DONGKUK STEEL MILL CO LTD [KR]) [A] 1-11* See paragraph [0072] and claim 1. *; | [A]JP6569842B (NIPPON STEEL CORPORATION) [A] 1-11 * See paragraph [0127] and claims 1-3 and 8. *; | [A]KR102131538B (POSCO) [A] 1-11 * See paragraph [0090] and claims 1 and 6. * | by applicant | KR101735336B |