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EP 4 165 224 A1

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(43) Date of publication: 19.04.2023 Bulletin 2023/16 (21) Application number: 21822435.0 (22) Date of filing: 11.06.2021

(51) International Patent Classification (IPC):  C22C 38/24(2006.01) C22C 38/04(2006.01) C22C 38/18(2006.01) C22C 38/02(2006.01) C22C 38/12(2006.01) C22C 38/38(2006.01) (52) Cooperative Patent Classification (CPC): C22C 38/04; C22C 38/38; C22C 38/02; C22C 38/24; C22C 38/22; C22C 38/40; C22C 38/30; C22C 38/06; C22C 38/20; C22C 38/001; C22C 38/002; C22C 38/005; C22C 38/26; C22C 38/28; C22C 38/32; C22B 9/18; C21D 1/18; C21D 1/25; C22B 9/20 (86) International application number: PCT/SE2021/050562 (87) International publication number: WO 2021/251892 (16.12.2021 Gazette 2021/50)

(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: 12.06.2020 SE 2050705 (71) Applicant: Uddeholms AB 683 85 Hagfors (SE)	(72) Inventors: EJNERMARK, Sebastian 663 40 HAMMARÖ (SE) KVARNED, Anders 654 68 KARLSTAD (SE) OLIVER, Richard 686 96 ÖSTRA ÄMTERVIK (SE) (74) Representative: Noréns Patentbyrå AB  Box 10198 100 55 Stockholm 100 55 Stockholm (SE)