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EP 4 816 580 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24761910.9 (22) Date of filing: 22.08.2024

(51) International Patent Classification (IPC):  C23C 4/02(2006.01) C23C 4/129(2016.01) C23C 4/18(2006.01) C23C 28/00(2006.01) C23C 4/11(2016.01) C23C 4/134(2016.01) C23C 14/00(2006.01) C23C 14/08(2006.01) (52) Cooperative Patent Classification (CPC): C23C 4/11; C23C 4/02; C23C 4/18; C23C 4/129; C23C 4/134; C23C 28/3455; C23C 28/3215; C23C 14/083 (86) International application number: PCT/EP2024/073537 (87) International publication number: WO 2025/149186 (17.07.2025 Gazette 2025/29)

(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: GE KH MA MD TN (30) Priority: 11.01.2024 US 202463619824 P (71) Applicant: Siemens Energy Global GmbH & Co. KG 81739 München (DE)	(72) Inventors: FLORES RENTERIA, Arturo 12161 Berlin (DE) WITZ, Gregoire 5413 Birmenstorf (CH) ZOIS, Dimitrios Fort Mill, SC 29708 (US) VAIDYA, Anirudha Oviedo, Florida 32766 (US) SHARMA, Atin Pennington, New Jersey 08534 (US) HITCHMAN, Neil Charlotte, North Carolina 28277 (US)