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EP 4 479 565 A1

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(43) Date of publication: 25.12.2024 Bulletin 2024/52 (21) Application number: 22727691.2 (22) Date of filing: 13.05.2022

(51) International Patent Classification (IPC):  C22B 1/04(2006.01) C22B 7/00(2006.01) C22B 34/34(2006.01) C22B 3/04(2006.01) C22B 3/14(2006.01) C22B 34/22(2006.01) C22B 34/36(2006.01) (52) Cooperative Patent Classification (CPC): C22B 3/14; C22B 1/04; C22B 34/225; C22B 34/345; C22B 34/365; C22B 7/006; C22B 7/009; C22B 3/04; Y02P 10/20 (86) International application number: PCT/US2022/029214 (87) International publication number: WO 2023/154077 (17.08.2023 Gazette 2023/33)

(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: 14.02.2022 US 202263310034 P (71) Applicant: Chevron U.S.A. Inc. San Ramon, CA 94583 (US)	(72) Inventors: BHADURI, Rahul Shankar San Ramon, California 94583-0806 (US) MIRONOV, Oleg, A. San Ramon, California 94583-0806 (US) KUPERMAN, Alexander E. San Ramon, California 94583-0806 (US) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)