(19)
(11) EP 2 204 463 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:
14.08.2019 Bulletin 2019/33

(45) Mention of the grant of the patent:
01.05.2019 Bulletin 2019/18

(21) Application number: 08846041.5

(22) Date of filing: 27.10.2008
(51) International Patent Classification (IPC): 
C22C 38/00(2006.01)
C22C 38/02(2006.01)
C22C 38/06(2006.01)
C22C 38/24(2006.01)
C22C 38/28(2006.01)
C21D 8/00(2006.01)
 C22C 38/38(2006.01)
C22C 38/04(2006.01)
C22C 38/22(2006.01)
C22C 38/26(2006.01)
C22C 38/32(2006.01)
(86) International application number:
PCT/JP2008/069835
(87) International publication number:
WO 2009/057731 (07.05.2009 Gazette 2009/19)

(54)

MARTENSITE TYPE STEEL NOT REQUIRING HEAT TREATMENT AND HOT FORGED NON HEAT-TREATED STEEL PARTS

STAHL VOM MARTENSIT-TYP, DER KEINE WÄRMEBEHANDLUNG ERFORDERT, UND HEISSGESCHMIEDETE ELEMENTE AUS NICHT WÄRMEBEHANDELTEM STAHL

ACIER DE TYPE MARTENSITE N'EXIGEANT PAS DE TRAITEMENT THERMIQUE ET PIÈCES FORGÉES À CHAUD EN ACIER NON TRAITÉ THERMIQUEMENT

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(30) Priority: 29.10.2007 JP 2007280258

(43) Date of publication of application:
07.07.2010 Bulletin 2010/27

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

(72) Inventors:
  • TERAMOTO, Shinya
    Tokyo 100-8071 (JP)
  • MIYANISHI, Kei
    Tokyo 100-8071 (JP)
  • HASHIMURA, Masayuki
    Tokyo 100-8071 (JP)

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


(56) References cited: : 
EP-A1- 1 642 991
JP-A- 9 170 046
JP-A- H07 316 737
JP-A- 2008 013 788
 WO-A1-2008/084749
JP-A- H0 797 657
JP-A- 2003 201 544
   
       
    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).