(19)
(11) EP 3 907 206 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:
05.07.2023 Bulletin 2023/27

(45) Mention of the grant of the patent:
10.05.2023 Bulletin 2023/19

(21) Application number: 21733042.2

(22) Date of filing: 14.01.2021
(51) International Patent Classification (IPC): 
C04B 35/5835(2006.01)
B23B 27/14(2006.01)
B24D 3/00(2006.01)
C04B 35/5831(2006.01)
C04B 35/645(2006.01)
 B22F 1/00(2022.01)
B23B 27/20(2006.01)
C22C 29/08(2006.01)
C04B 35/626(2006.01)
(52) Cooperative Patent Classification (CPC):
C04B 35/5831; C04B 35/62675; C04B 35/6268; C04B 35/645; C04B 2235/3217; C04B 2235/3232; C04B 2235/3258; C04B 2235/3275; C04B 2235/3279; C04B 2235/38; C04B 2235/3813; C04B 2235/3847; C04B 2235/3856; C04B 2235/3886; C04B 2235/5296; C04B 2235/5436; C04B 2235/5445; C04B 2235/6586; C04B 2235/76; C04B 2235/80; C04B 2235/963
(86) International application number:
PCT/JP2021/000951
(87) International publication number:
WO 2021/192509 (30.09.2021 Gazette 2021/39)

(54)

CUBIC BORON NITRIDE SINTERED BODY, METHOD FOR PRODUCING SAME, AND TOOL

KUBISCHER SINTERKÖRPER AUS BORNITRID UND VERFAHREN ZU SEINER HERSTELLUNG UND WERKZEUG

CORPS FRITTÉ EN NITRURE DE BORE CUBIQUE, PROCÉDÉ DE PRODUCTION ASSOCIÉ, ET OUTIL

(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: 24.03.2020 JP 2020053229

(43) Date of publication of application:
10.11.2021 Bulletin 2021/45

(73) Proprietor: Resonac Corporation
Tokyo (JP)

(72) Inventors:
  • NAKAJIMA, Takumi
    Nagano 3996461 (JP)
  • YAMADA, Jiro
    Nagano 3996461 (JP)

(74) Representative: Strehl Schübel-Hopf & Partner 
Maximilianstrasse 54
80538 München
80538 München (DE)


(56) References cited: : 
EP-A1- 0 974 566
WO-A1-2012/105710
JP-A- 2000 044 350
JP-A- 2006 315 898
 WO-A1-00/47537
WO-A1-2012/144502
JP-A- 2002 226 273
   
       
    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).