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EP 4 568 936 A1

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(43) Date of publication: 18.06.2025 Bulletin 2025/25 (21) Application number: 23790001.4 (22) Date of filing: 13.10.2023

(51) International Patent Classification (IPC):  C04B 35/00(2006.01) C04B 38/00(2006.01) C23C 4/04(2006.01) C04B 35/626(2006.01) F01D 5/28(2006.01) (52) Cooperative Patent Classification (CPC): C04B 35/00; C04B 35/6261; C04B 35/62655; C04B 38/009; C04B 2235/5427; C04B 2235/5436; C04B 2235/528; C04B 2235/52; C04B 2235/5292; F01D 5/288; C23C 4/04; C23C 4/10; F05D 2300/611; F05D 2260/95; F05D 2300/609; F05D 2300/20; F05D 2250/241; F05D 2230/31 (86) International application number: PCT/EP2023/078495 (87) International publication number: WO 2024/094408 (10.05.2024 Gazette 2024/19)

(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: 04.11.2022 EP 22205456 (71) Applicant: Siemens Energy Global GmbH & Co. KG 81739 München (DE)	(72) Inventor: SHARMA, Atin Pennington, New Jersey 08534 (US)