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(11)

EP 4 568 980 A1

(12)

(43) Date of publication: 18.06.2025 Bulletin 2025/25 (21) Application number: 23758488.3 (22) Date of filing: 31.07.2023

(51) International Patent Classification (IPC):  C07F 17/00(2006.01) C08F 210/16(2006.01) C08F 4/659(2006.01) (52) Cooperative Patent Classification (CPC): C08F 4/65912; C07F 17/00; C08F 10/06; C08F 2420/09; C08F 4/65916   C-Sets: C08F 210/06, C08F 210/16, C08F 2500/02, C08F 2500/03, C08F 2500/27; C08F 210/06, C08F 210/16, C08F 2500/03, C08F 2500/27; C08F 10/06, C08F 4/65927; C08F 110/06, C08F 2500/02, C08F 2500/03, C08F 2500/34; C08F 110/06, C08F 2500/03, C08F 2500/34; C08F 110/06, C08F 2500/34; (86) International application number: PCT/US2023/071323 (87) International publication number: WO 2024/036052 (15.02.2024 Gazette 2024/07)

(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: 09.08.2022 US 202263370829 P (71) Applicant: ExxonMobil Chemical Patents Inc. Baytown, TX 77520-2101 (US)	(72) Inventors: LAMBIC, Nikola, S. Seabrook, TX 77586 (US) SMITH-KARAHALIS, Gregory, J. Houston, TX 77019 (US) NGUYEN, An, N.m. Pearland, TX 77584 (US) (74) Representative: ExxonMobil Petroleum & Chemical BV  IP Law Europe Hermeslaan 2 1831 Machelen 1831 Machelen (BE)