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(11)

EP 4 153 791 A1

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(43) Date of publication: 29.03.2023 Bulletin 2023/13 (21) Application number: 21809887.9 (22) Date of filing: 18.05.2021

(51) International Patent Classification (IPC):  C22C 38/04(2006.01) C22C 38/18(2006.01) C21D 6/02(2006.01) C22C 38/06(2006.01) C22C 38/02(2006.01) C22C 38/38(2006.01) C22C 38/16(2006.01) C21D 6/00(2006.01) (52) Cooperative Patent Classification (CPC): C21D 6/02; C22C 38/04; C22C 38/38; C22C 38/02; C22C 38/06; C21D 6/00; C21D 2211/002; C21D 1/673; C21D 7/13; C21D 9/48; C21D 1/25; C21D 2211/008; C22C 38/34; C22C 38/20; C22C 38/58 (86) International application number: PCT/US2021/032936 (87) International publication number: WO 2021/236619 (25.11.2021 Gazette 2021/47)

(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: 18.05.2020 US 202063026230 P (71) Applicant: MAGNA INTERNATIONAL INC Aurora, Ontario L4G 7K1 (CA)	(72) Inventor: SKSZEK, Timothy W. Saline, Michigan 48176 (US) (74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB  Leopoldstraße 4 80802 München 80802 München (DE)