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EP 4 816 377 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24824601.9 (22) Date of filing: 20.11.2024

(51) International Patent Classification (IPC):  C07F 7/00(2006.01) C08F 4/02(2006.01) C08F 110/06(2006.01) C08F 4/659(2006.01) C08F 10/06(2006.01) C07C 211/48(2006.01) (52) Cooperative Patent Classification (CPC): C07F 7/003; C08F 110/06; C08F 4/65912; C07C 211/48; C08F 4/65916   C-Sets: C08F 110/02, C08F 4/64158; C08F 110/06, C08F 4/64158; C08F 110/06, C08F 2500/03, C08F 2500/34; C08F 110/02, C08F 4/025; C08F 110/06, C08F 4/025; C08F 110/06, C08F 4/659; C08F 110/02, C08F 4/659; (86) International application number: PCT/US2024/056595 (87) International publication number: WO 2025/117273 (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: 01.12.2023 US 202363604960 P (71) Applicant: ExxonMobil Technology and Engineering Company Spring, TX 77398 (US)	(72) Inventors: LAMBIC, Nikola, S. Seabrook, TX 77586 (US) NGUYEN, An, Ngoc-Michael Pearland, TX 77089 (US) CANICH, Jo Ann, M. Houston, TX 77059 (US) LUO, Lubin Houston, TX 77059 (US) (74) Representative: ExxonMobil Petroleum & Chemical BV  IP Law Europe Hermeslaan 2 1831 Machelen 1831 Machelen (BE)