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EP 4 816 424 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24822081.6 (22) Date of filing: 22.11.2024

(51) International Patent Classification (IPC):  C08F 210/06(2006.01) C08L 23/10(2006.01) C08F 2/00(2006.01) C08F 4/6592(2006.01) (52) Cooperative Patent Classification (CPC): C08F 210/06; C08F 4/65912; C08F 4/65916; C08F 2420/07; C08L 2314/06; C08L 2308/00; C08L 2207/02; C08L 23/12; C08L 23/142   C-Sets: C08F 210/06, C08F 210/16, C08F 2500/03, C08F 2500/12, C08F 2500/27, C08F 2500/30, C08F 2500/31, C08F 2500/33, C08F 2500/34; C08F 210/06, C08F 210/08, C08F 2500/12, C08F 2500/30, C08F 2500/31; C08F 210/06, C08F 210/16, C08F 210/08, C08F 2500/12, C08F 2500/30, C08F 2500/31; C08L 23/12, C08L 23/16; C08L 23/142, C08L 23/16; C08F 210/06, C08F 2/001; C08F 210/06, C08F 4/65927; C08F 210/06, C08F 210/16, C08F 2500/02, C08F 2500/03, C08F 2500/27; C08F 210/06, C08F 210/16, C08F 2500/12, C08F 2500/27, C08F 2500/30, C08F 2500/31, C08F 2500/33, C08F 2500/34; (86) International application number: PCT/US2024/057021 (87) International publication number: WO 2025/117354 (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 202363605037 P (71) Applicant: ExxonMobil Technology and Engineering Company Spring, TX 77389 (US)

(72) Inventors: LAMBIC, Nikola S. Seabrook, Texas 77586 (US) LOVELL, Jacqueline A. Crosby, Texas 77532 (US) SMITH-KARAHALIS, Gregory J. Houston, Texas 77019 (US) SPENCER, Michael D. Houston, Texas 77059 (US) ZHANG, Xiaodan Houston, Texas 77008 (US) LUO, Lubin Houston, Texas 77059 (US) MANN, Jason A. Houston, Texas 77008 (US) (74) Representative: ExxonMobil Petroleum & Chemical BV  IP Law Europe Hermeslaan 2 1831 Machelen 1831 Machelen (BE)