(19)
(11) EP 3 205 731 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:
11.03.2020 Bulletin 2020/11

(45) Mention of the grant of the patent:
04.12.2019 Bulletin 2019/49

(21) Application number: 15849107.6

(22) Date of filing: 05.10.2015
(51) International Patent Classification (IPC): 
C21D 1/76(2006.01)
C21D 1/18(2006.01)
C21D 9/08(2006.01)
C22C 38/32(2006.01)
C21D 8/10(2006.01)
C22C 38/04(2006.01)
C22C 38/26(2006.01)
 B21D 7/16(2006.01)
C21D 1/74(2006.01)
C22C 38/00(2006.01)
C23C 22/12(2006.01)
C22C 38/02(2006.01)
C22C 38/06(2006.01)
C22C 38/28(2006.01)
(86) International application number:
PCT/JP2015/078225
(87) International publication number:
WO 2016/056514 (14.04.2016 Gazette 2016/15)

(54)

HEAT-TREATED STEEL PRODUCT HAVING HIGH STRENGTH AND EXCELLENT CHEMICAL CONVERSION PROCESSABILITY, AND MANUFACTURING METHOD FOR SAME

WÄRMEBEHANDELTES STAHLPRODUKT MIT HOHER FESTIGKEIT UND HERVORRAGENDER CHEMISCHER UMWANDLUNGSVERARBEITBARKEIT UND HERSTELLUNGSVERFAHREN DAFÜR

PRODUIT D'ACIER TRAITE THERMIQUEMENT POSSEDANT UNE HAUTE RESISTANCE ET UNE EXCELLENTE APTITUDE AU TRAITEMENT DE CONVERSION CHIMIQUE, ET SON PROCEDE DE FABRICATION

(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: 08.10.2014 JP 2014207597

(43) Date of publication of application:
16.08.2017 Bulletin 2017/33

(73) Proprietor: Nippon Steel Corporation
Tokyo (JP)

(72) Inventors:
  • MATSUDA, Hideki
    Tokyo 100-8071 (JP)
  • AKIOKA, Koji
    Tokyo 100-8071 (JP)
  • UEMATSU, Kazuo
    Tokyo 100-8071 (JP)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstrasse 3
81675 München
81675 München (DE)


(56) References cited: : 
WO-A1-2006/093006
JP-A- S5 097 568
JP-A- S61 182 825
JP-A- 2011 089 150
JP-A- 2012 246 515
US-B1- 6 383 297
 WO-A1-2008/007737
JP-A- H06 100 945
JP-A- 2011 089 150
JP-A- 2011 089 151
US-A- 5 669 992
   
       
    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).