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EP 4 448 683 A1

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(43) Date of publication: 23.10.2024 Bulletin 2024/43 (21) Application number: 23706154.4 (22) Date of filing: 17.01.2023

(51) International Patent Classification (IPC):  C10G 1/00(2006.01) C10G 55/04(2006.01) C10G 1/10(2006.01) (52) Cooperative Patent Classification (CPC): C10G 55/04; C10G 1/002; C10G 1/10; C10G 2300/203; C10G 2300/202 (86) International application number: PCT/US2023/010959 (87) International publication number: WO 2023/141109 (27.07.2023 Gazette 2023/30)

(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: 20.01.2022 US 202263301085 P (71) Applicants: ExxonMobil Chemical Patents Inc. Baytown, TX 77520 (US) Plastic Energy Limited London Greater London EC4V 5DY (GB)

(72) Inventors: JOHNSON, Brittney A. Spring, Texas 77389 (US) ROUGEAU, Jennifer L. Baytown, Texas 77520 (US) WEBER, Michael W. Baytown, Texas 77520 (US) MCNAMARA, David London Greater London EC4V5DY (GB) LAKE, Andrew London Greater London EC4V5DY (GB) HARGREAVES, George London Greater London EC4V5DY (GB) (74) Representative: Abel & Imray LLP  Westpoint Building James Street West Bath BA1 2DA Bath BA1 2DA (GB)