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EP 4 770 957 A1

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(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24758426.1 (22) Date of filing: 01.08.2024

(51) International Patent Classification (IPC):  C01B 32/162(2017.01) B01J 19/08(2006.01) C01B 32/158(2017.01) (52) Cooperative Patent Classification (CPC): C01B 32/158; C01B 32/162; B01J 19/088; B01J 2219/0892 (86) International application number: PCT/US2024/040571 (87) International publication number: WO 2025/049036 (06.03.2025 Gazette 2025/10)

(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: 31.08.2023 US 202363536003 P (71) Applicant: ExxonMobil Technology and Engineering Company Spring, TX 77389 (US)

(72) Inventors: COLBY, Robert J. Clinton, New Jersey 08809 (US) JOHNSON, Robert A. Doylestown, Pennsylvania 18902 (US) LIU, Sophie Hampton, New Jersey 08827 (US) MA, Ning Basking Ridge, New Jersey 07920 (US) PYL, Steven Houston, Texas 77006 (US) RAMAN, Sumathy Annandale, New Jersey 088901 (US) TÜRKÖZ, Emre Lambertville, New Jersey 08530 (US) WANG, Kun Branchburg, New Jersey 08853-5002 (US) MITCHELL, Jonathan Easton, Pennsylvania 18042 (US) (74) Representative: ExxonMobil Petroleum & Chemical BV  IP Law Europe Hermeslaan 2 1831 Machelen 1831 Machelen (BE)