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(11)

EP 4 363 628 A1

(12)

(43) Date of publication: 08.05.2024 Bulletin 2024/19 (21) Application number: 22833755.6 (22) Date of filing: 25.05.2022

(51) International Patent Classification (IPC):  C22C 38/52(2006.01) C22C 38/06(2006.01) C22C 38/46(2006.01) C21D 1/20(2006.01) C22C 38/44(2006.01) C22C 38/50(2006.01) (52) Cooperative Patent Classification (CPC): C22C 38/44; C21D 1/20; C22C 38/46; C22C 38/06; C22C 38/52; C22C 38/50; C22C 38/02; C22C 38/04; C22C 38/34; C22C 38/22; C22C 38/42; C21D 2211/002; C21D 6/008; C21D 2211/001; C21D 9/42 (86) International application number: PCT/SE2022/050514 (87) International publication number: WO 2023/277754 (05.01.2023 Gazette 2023/01)

(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: 29.06.2021 SE 2130179 (71) Applicant: Alleima EMEA AB 811 81 Sandviken (SE)	(72) Inventors: NYLÖF, Lars 81181 Sandviken (SE) ANTONSSON, Tomas 81181 Sandviken (SE) (74) Representative: Setréus, Ellen  Alleima EMEA AB 811 81 Sandviken 811 81 Sandviken (SE)