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EP 4 466 384 A1

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(43) Date of publication: 27.11.2024 Bulletin 2024/48 (21) Application number: 23706688.1 (22) Date of filing: 17.01.2023

(51) International Patent Classification (IPC):  C22C 1/051(2023.01) C22C 29/08(2006.01) B22F 5/00(2006.01) C22C 29/06(2006.01) E21B 10/42(2006.01) (52) Cooperative Patent Classification (CPC): C22C 29/08; B22F 2005/001; C22C 1/051; C22C 29/06; B22F 2998/10; B22F 2998/00   C-Sets: B22F 2998/00, B22F 3/02, B22F 3/04, B22F 3/20, B22F 3/225; B22F 2998/10, C22C 1/05, B22F 2009/043, B22F 9/026, B22F 2003/031, B22F 3/1021, B22F 3/14, B22F 3/15; (86) International application number: PCT/US2023/060717 (87) International publication number: WO 2023/141411 (27.07.2023 Gazette 2023/30)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 21.01.2022 US 202263301602 P 22.12.2022 US 202263476707 P (71) Applicants: Hyperion Materials & Technologies Inc. Worthington, OH 43085 (US) Diamond Innovations, Inc. Worthington, OH 43085 (US)

(72) Inventors: LAVIGNE, Olivier 08003 Barcelona (ES) CINCA I LUIS, Nuria 08028 Barcelona (ES) KRISHNAN, Neil Worthington, OH 43085 (US) PUIT, Elena, Tarres i 08018 Barcelona (ES) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)