(19)
(11) EP 4 301 884 A1

(12)

(43) Date of publication:
10.01.2024 Bulletin 2024/02

(21) Application number: 22712332.0

(22) Date of filing: 03.03.2022
(51) International Patent Classification (IPC): 
C21D 1/76(2006.01)
C21D 1/06(2006.01)
C23C 8/80(2006.01)
C22C 14/00(2006.01)
C23C 8/30(2006.01)
C21D 1/773(2006.01)
C23C 8/24(2006.01)
C23C 28/04(2006.01)
C22C 16/00(2006.01)
C23C 8/16(2006.01)
(52) Cooperative Patent Classification (CPC):
C21D 1/773; C21D 1/76; C21D 1/06; C23C 8/24; C23C 8/30; C23C 8/16; C23C 8/80; C23C 28/04; C23C 28/048; C22C 14/00; C22C 16/00
(86) International application number:
PCT/EP2022/055363
(87) International publication number:
WO 2022/184812 (09.09.2022 Gazette 2022/36)
(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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 03.03.2021 EP 21160471

(71) Applicant: Elos Medtech Pinol A/S
3330 Gørløse (DK)

(72) Inventors:
  • CHRISTIANSEN, Thomas Lundin
    3600 Frederikssund (DK)
  • JELLESEN, Morten Stendahl
    2860 Søborg (DK)
  • SOMERS, Marcel A. J.
    7190 Billund (DK)
  • KÖRKEL, Andreas Frederik Kielsholm
    3230 Græsted (DK)
  • ANDERSEN, Ole Zoffmann
    3330 Gørløse (DK)

(74) Representative: AWA Denmark A/S 
Strandgade 56
1401 Copenhagen K
1401 Copenhagen K (DK)

   


(54) SURFACE HARDENING OF GROUP IV METALS