(19)
(11) EP 3 822 384 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
22.02.2023 Bulletin 2023/08

(45) Mention of the grant of the patent:
18.01.2023 Bulletin 2023/03

(21) Application number: 19849274.6

(22) Date of filing: 08.08.2019
(51) International Patent Classification (IPC): 
C22C 38/58(2006.01)
C22C 38/44(2006.01)
C22C 38/00(2006.01)
C22C 38/18(2006.01)
C22C 38/22(2006.01)
C22C 38/38(2006.01)
C22C 38/54(2006.01)
C22C 38/42(2006.01)
C22C 38/02(2006.01)
C21D 1/26(2006.01)
C22C 38/20(2006.01)
C22C 38/32(2006.01)
C22C 38/40(2006.01)
(52) Cooperative Patent Classification (CPC):
C22C 38/44; C22C 38/42; C22C 38/02; C22C 38/58; C22C 38/54; C21D 1/26; C22C 38/001; C22C 38/002; C21D 6/004; C21D 8/0205; C21D 8/0263; C21D 2211/001
(86) International application number:
PCT/KR2019/009977
(87) International publication number:
WO 2020/036370 (20.02.2020 Gazette 2020/08)

(54)

AUSTENITIC STAINLESS STEEL HAVING IMPROVED STRENGTH

AUSTENITISCHER EDELSTAHL MIT VERBESSERTER FESTIGKEIT

ACIER INOXYDABLE AUSTÉNITIQUE AYANT UNE RÉSISTANCE AMÉLIORÉE


(84) 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

(30) Priority: 13.08.2018 KR 20180094523

(43) Date of publication of application:
19.05.2021 Bulletin 2021/20

(73) Proprietor: POSCO Co., Ltd
Gyeongsangbuk-do 37859 (KR)

(72) Inventors:
  • LEE, Jae-Hwa
    Pohang-si Gyeongsangbuk-do 37673 (KR)
  • JO, Gyu Jin
    Pohang-si Gyeongsangbuk-do 37655 (KR)
  • KIM, Young Tae
    Pohang-si Gyeongsangbuk-do 37713 (KR)

(74) Representative: Potter Clarkson 
Chapel Quarter Chapel Bar
Nottingham NG1 6HQ
Nottingham NG1 6HQ (GB)


(56) References cited: : 
WO-A1-2012/143610
JP-A- 2016 065 296
KR-A- 20150 074 697
JP-A- 2014 001 422
KR-A- 20120 091 075
KR-B1- 101 056 235
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).