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EP 4 816 340 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24808490.7 (22) Date of filing: 28.10.2024

(51) International Patent Classification (IPC):  C07C 5/13(2006.01) C09K 5/10(2006.01) C07C 9/22(2006.01) (52) Cooperative Patent Classification (CPC): C07C 5/13; C07C 2529/44; C07C 2529/74; C07C 2529/67; C07C 2529/85   C-Sets: C07C 5/13, C07C 9/22; (86) International application number: PCT/US2024/053237 (87) International publication number: WO 2025/117110 (05.06.2025 Gazette 2025/23)

(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: 27.11.2023 US 202363602785 P (71) Applicant: ExxonMobil Technology and Engineering Company Spring, TX 77389 (US)	(72) Inventors: YU, Renyuan Humble, TX 77396 (US) WEIGEL, Scott, J. Allentown, PA 18104 (US) ZHANG, Lei Basking Ridge, NJ 07920 (US) YANG, Jian Houston, TX 77059 (US) TOOHEY, Michael Cypress, TX 77433 (US) (74) Representative: ExxonMobil Petroleum & Chemical BV  IP Law Europe Hermeslaan 2 1831 Machelen 1831 Machelen (BE)