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EP4234744
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EP About this file: EP4234744
| EP4234744 - CAST IRON-BASED AUSTENITE CREEP-RESISTANT STEEL, AND PREPARATION METHOD AND USE THEREFOR [Right-click to bookmark this link] | Status | Request for examination was made Status updated on 28.07.2023 Database last updated on 03.08.2024 | |
| Former | The international publication has been made Status updated on 21.07.2023 | ||
| Former | unknown Status updated on 31.03.2023 | Most recent event Tooltip | 15.09.2023 | Correction of patent application | published on 18.10.2023 [2023/42] | Applicant(s) | For all designated states Kehua Holdings Co., Ltd. N°. 63, Yongkang Road Yuqiao Development Zone, Zhuze Town, Liyang Changzhou, Jiangsu 213354 / CN | [2023/35] | Inventor(s) | 01 /
WANG, Yinjie Changzhou, Jiangsu 213354 / CN | 02 /
GONG, Gaoquan Changzhou, Jiangsu 213354 / CN | 03 /
CHEN, Xiaohua Changzhou, Jiangsu 213354 / CN | [2023/37] | Representative(s) | Bayramoglu et al. Mira Office Kanuni Sultan Süleyman Boulevard 5387 Street Beytepe, floor 12, no:50 06800 Cankaya, Ankara / TR | [2023/35] | Application number, filing date | 22871096.8 | 15.11.2022 | [2023/35] | WO2022CN131885 | Priority number, date | CN20221024961 | 11.01.2022 Original published format: CN202210024961 | [2023/35] | Filing language | ZH | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2023134292 | Date: | 20.07.2023 | Language: | ZH | [2023/29] | Type: | A1 Application with search report | No.: | EP4234744 | Date: | 30.08.2023 | Language: | EN | [2023/35] | Type: | A8 Corrected patent application | No.: | EP4234744 | Date: | 18.10.2023 | [2023/42] | Search report(s) | International search report - published on: | CN | 20.07.2023 | Classification | IPC: | C22C38/02, C22C38/04, C22C38/44, C22C38/34, C22C33/04, F01N13/16, F04D29/02 | [2023/35] | CPC: |
F01D25/005 (EP);
C22C38/02 (EP,CN);
C22C33/04 (CN);
C22C38/001 (EP,CN);
C22C38/04 (EP,CN);
C22C38/34 (CN);
C22C38/44 (EP,CN);
C22C38/60 (CN);
F01D25/24 (CN);
F01N13/10 (CN);
F01N13/16 (CN);
F04D29/023 (CN);
F04D29/403 (CN);
F05D2220/40 (EP);
F05D2240/14 (EP);
F05D2300/171 (EP)
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| 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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2023/35] | Extension states | BA | Not yet paid | Validation states | KH | Not yet paid | MA | Not yet paid | MD | Not yet paid | TN | Not yet paid | Title | German: | AUSTENITISCHER KRIECHFESTER STAHL AUF GUSSEISENBASIS SOWIE HERSTELLUNGSVERFAHREN UND VERWENDUNG DAFÜR | [2023/35] | English: | CAST IRON-BASED AUSTENITE CREEP-RESISTANT STEEL, AND PREPARATION METHOD AND USE THEREFOR | [2023/35] | French: | ACIER AUSTÉNITIQUE RÉSISTANT AU FLUAGE À BASE DE FONTE, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION | [2023/35] | Entry into regional phase | 30.03.2023 | Translation filed | 30.03.2023 | National basic fee paid | 30.03.2023 | Search fee paid | 30.03.2023 | Designation fee(s) paid | 30.03.2023 | Examination fee paid | Examination procedure | 30.03.2023 | Examination requested [2023/35] |
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